diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index c543b493831..57f16473b82 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -1360,6 +1360,7 @@ class account_invoice_line(osv.osv):
     _columns = {
         'name': fields.text('Description', required=True),
         'origin': fields.char('Source', size=256, help="Reference of the document that produced this invoice."),
+        'sequence': fields.integer('Sequence', help="Gives the sequence of this line when displaying the invoice."),
         'invoice_id': fields.many2one('account.invoice', 'Invoice Reference', ondelete='cascade', select=True),
         'uos_id': fields.many2one('product.uom', 'Unit of Measure', ondelete='set null'),
         'product_id': fields.many2one('product.product', 'Product', ondelete='set null'),
diff --git a/addons/account/wizard/account_invoice_state_view.xml b/addons/account/wizard/account_invoice_state_view.xml
index 11703a4f259..eb636f61b50 100644
--- a/addons/account/wizard/account_invoice_state_view.xml
+++ b/addons/account/wizard/account_invoice_state_view.xml
@@ -6,7 +6,12 @@
             <field name="model">account.invoice.confirm</field>
             <field name="arch" type="xml">
                 <form string="Confirm Draft Invoices" version="7.0">
-                    <separator string="Confirm Draft Invoices"/>
+                    <p class="oe_grey">
+                        Once draft invoices are confirmed, you will not be able
+                        to modify them. The invoices will receive a unique
+                        number and journal items will be created in your chart
+                        of accounts.
+                    </p>
                     <footer>
                         <button string="Confirm Invoices" name="invoice_confirm" type="object" default_focus="1" class="oe_highlight"/>
                         or
@@ -27,7 +32,6 @@
             <field name="model">account.invoice.cancel</field>
             <field name="arch" type="xml">
                 <form string="Cancel Selected Invoices" version="7.0">
-                    <separator string="Cancel Selected Invoices"/>
                     <footer>
                         <button string="Cancel Invoices" name="invoice_cancel" type="object" default_focus="1" class="oe_highlight"/>
                         or
diff --git a/addons/base_calendar/base_calendar.py b/addons/base_calendar/base_calendar.py
index bcfb9340966..cbdc43b23af 100644
--- a/addons/base_calendar/base_calendar.py
+++ b/addons/base_calendar/base_calendar.py
@@ -39,11 +39,11 @@ months = {
 
 def get_recurrent_dates(rrulestring, exdate, startdate=None, exrule=None):
     """
-    Get recurrent dates based on Rule string considering exdate and start date
-    @param rrulestring: Rulestring
-    @param exdate: List of exception dates for rrule
-    @param startdate: Startdate for computing recurrent dates
-    @return: List of Recurrent dates
+    Get recurrent dates based on Rule string considering exdate and start date.
+    @param rrulestring: rulestring
+    @param exdate: list of exception dates for rrule
+    @param startdate: startdate for computing recurrent dates
+    @return: list of Recurrent dates
     """
     def todate(date):
         val = parser.parse(''.join((re.compile('\d')).findall(date)))
@@ -67,11 +67,12 @@ def get_recurrent_dates(rrulestring, exdate, startdate=None, exrule=None):
 
 def base_calendar_id2real_id(base_calendar_id=None, with_date=False):
     """
-    This function converts virtual event id into real id of actual event
-    @param base_calendar_id: Id of calendar
-    @param with_date: If value passed to this param it will return dates based on value of withdate + base_calendar_id
+    Convert a "virtual/recurring event id" (type string) into a real event id (type int).
+    E.g. virtual/recurring event id is 4-20091201100000, so it will return 4.
+    @param base_calendar_id: id of calendar
+    @param with_date: if a value is passed to this param it will return dates based on value of withdate + base_calendar_id
+    @return: real event id
     """
-
     if base_calendar_id and isinstance(base_calendar_id, (str, unicode)):
         res = base_calendar_id.split('-')
 
@@ -89,12 +90,13 @@ def base_calendar_id2real_id(base_calendar_id=None, with_date=False):
 
 def real_id2base_calendar_id(real_id, recurrent_date):
     """
-    Convert  real id of record into virtual id using recurrent_date
-    e.g. real id is 1 and recurrent_date is 01-12-2009 10:00:00 then it will return
-        1-20091201100000
-    @return: real id with recurrent date.
+    Convert a real event id (type int) into a "virtual/recurring event id" (type string).
+    E.g. real event id is 1 and recurrent_date is set to 01-12-2009 10:00:00, so
+    it will return 1-20091201100000.
+    @param real_id: real event id
+    @param recurrent_date: real event recurrent date
+    @return: string containing the real id and the recurrent date
     """
-
     if real_id and recurrent_date:
         recurrent_date = time.strftime("%Y%m%d%H%M%S", \
                             time.strptime(recurrent_date, "%Y-%m-%d %H:%M:%S"))
@@ -104,10 +106,10 @@ def real_id2base_calendar_id(real_id, recurrent_date):
 def _links_get(self, cr, uid, context=None):
     """
     Get request link.
-    @param cr: the current row, from the database cursor,
-    @param uid: the current user’s ID for security checks,
-    @param context: A standard dictionary for contextual values
-    @return: list of dictionary which contain object and name and id.
+    @param cr: the current row, from the database cursor
+    @param uid: the current user's ID for security checks
+    @param context: a standard dictionary for contextual values
+    @return: list of dictionary which contain object and name and id
     """
     obj = self.pool.get('res.request.link')
     ids = obj.search(cr, uid, [])
@@ -216,9 +218,9 @@ class calendar_attendee(osv.osv):
 
     def _get_address(self, name=None, email=None):
         """
-        Gives email information in ical CAL-ADDRESS type format
-        @param name: Name for CAL-ADDRESS value
-        @param email: Email address for CAL-ADDRESS value
+        Gives email information in ical CAL-ADDRESS type format.
+        @param name: name for CAL-ADDRESS value
+        @param email: email address for CAL-ADDRESS value
         """
         if name and email:
             name += ':'
@@ -226,13 +228,13 @@ class calendar_attendee(osv.osv):
 
     def _compute_data(self, cr, uid, ids, name, arg, context=None):
         """
-        Compute data on function fields for attendee values .
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar attendee’s IDs.
-        @param name: name of field.
-        @param context: A standard dictionary for contextual values
-        @return: Dictionary of form {id: {'field Name': value'}}.
+        Compute data on function fields for attendee values.
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param ids: list of calendar attendee's IDs
+        @param name: name of field
+        @param context: a standard dictionary for contextual values
+        @return: dictionary of form {id: {'field Name': value'}}
         """
         name = name[0]
         result = {}
@@ -297,10 +299,10 @@ class calendar_attendee(osv.osv):
     def _links_get(self, cr, uid, context=None):
         """
         Get request link for ref field in calendar attendee.
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's id for security checks
         @param context: A standard dictionary for contextual values
-        @return: list of dictionary which contain object and name and id.
+        @return: list of dictionary which contain object and name and id
         """
         obj = self.pool.get('res.request.link')
         ids = obj.search(cr, uid, [])
@@ -310,10 +312,10 @@ class calendar_attendee(osv.osv):
     def _lang_get(self, cr, uid, context=None):
         """
         Get language for language selection field.
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param context: A standard dictionary for contextual values
-        @return: list of dictionary which contain code and name and id.
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's id for security checks
+        @param context: a standard dictionary for contextual values
+        @return: list of dictionary which contain code and name and id
         """
         obj = self.pool.get('res.lang')
         ids = obj.search(cr, uid, [])
@@ -375,7 +377,6 @@ property or property parameter."),
         'ref': fields.reference('Event Ref', selection=_links_get, size=128),
         'availability': fields.selection([('free', 'Free'), ('busy', 'Busy')], 'Free/Busy', readonly="True"),
     }
-
     _defaults = {
         'state': 'needs-action',
         'role': 'req-participant',
@@ -388,12 +389,12 @@ property or property parameter."),
 
     def get_ics_file(self, cr, uid, event_obj, context=None):
         """
-        Returns iCalendar file for the event invitation
-        @param self: The object pointer
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param event_obj: Event object (browse record)
-        @param context: A standard dictionary for contextual values
+        Returns iCalendar file for the event invitation.
+        @param self: the object pointer
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's id for security checks
+        @param event_obj: event object (browse record)
+        @param context: a standard dictionary for contextual values
         @return: .ics file content
         """
         res = None
@@ -471,7 +472,7 @@ property or property parameter."),
     def _send_mail(self, cr, uid, ids, mail_to, email_from=tools.config.get('email_from', False), context=None):
         """
         Send mail for event invitation to event attendees.
-        @param email_from: Email address for user sending the mail
+        @param email_from: email address for user sending the mail
         @return: True
         """
         company = self.pool.get('res.users').browse(cr, uid, uid, context=context).company_id.name
@@ -517,11 +518,11 @@ property or property parameter."),
     def onchange_user_id(self, cr, uid, ids, user_id, *args, **argv):
         """
         Make entry on email and availbility on change of user_id field.
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar attendee’s IDs.
-        @param user_id: Changed value of User id
-        @return: dictionary of value. which put value in email and availability fields.
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param ids: list of calendar attendee's IDs
+        @param user_id: changed value of User id
+        @return: dictionary of values which put value in email and availability fields
         """
 
         if not user_id:
@@ -531,24 +532,25 @@ property or property parameter."),
         return {'value': {'email': user.email, 'availability':user.availability}}
 
     def do_tentative(self, cr, uid, ids, context=None, *args):
-        """ Makes event invitation as Tentative
-        @param self: The object pointer
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar attendee’s IDs
-        @param *args: Get Tupple value
-        @param context: A standard dictionary for contextual values
+        """
+        Makes event invitation as Tentative.
+        @param self: the object pointer
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param ids: list of calendar attendee's IDs
+        @param *args: get Tupple value
+        @param context: a standard dictionary for contextual values
         """
         return self.write(cr, uid, ids, {'state': 'tentative'}, context)
 
     def do_accept(self, cr, uid, ids, context=None, *args):
         """
-        Update state of invitation as Accepted and
-        if the invited user is other then event user it will make a copy of this event for invited user
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar attendee’s IDs.
-        @param context: A standard dictionary for contextual values
+        Update state of invitation as Accepted and if the invited user is other
+        then event user it will make a copy of this event for invited user.
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param ids: list of calendar attendee's IDs
+        @param context: a standard dictionary for contextual values
         @return: True
         """
         if context is None:
@@ -564,25 +566,28 @@ property or property parameter."),
         return True
 
     def do_decline(self, cr, uid, ids, context=None, *args):
-        """ Marks event invitation as Declined
-        @param self: The object pointer
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar attendee’s IDs
-        @param *args: Get Tupple value
-        @param context: A standard dictionary for contextual values """
+        """
+        Marks event invitation as Declined.
+        @param self: the object pointer
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param ids: list of calendar attendee's IDs
+        @param *args: get Tupple value
+        @param context: a standard dictionary for contextual values
+        """
         if context is None:
             context = {}
         return self.write(cr, uid, ids, {'state': 'declined'}, context)
 
     def create(self, cr, uid, vals, context=None):
-        """ Overrides orm create method.
+        """
+        Overrides orm create method.
         @param self: The object pointer
-        @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param vals: Get Values
-        @param context: A standard dictionary for contextual values """
-
+        @param cr: the current row, from the database cursor
+        @param uid: the current user's ID for security checks
+        @param vals: get Values
+        @param context: a standard dictionary for contextual values
+        """
         if context is None:
             context = {}
         if not vals.get("email") and vals.get("cn"):
@@ -592,6 +597,7 @@ property or property parameter."),
             vals['cn'] = vals.get("cn")
         res = super(calendar_attendee, self).create(cr, uid, vals, context)
         return res
+
 calendar_attendee()
 
 class res_alarm(osv.osv):
@@ -630,8 +636,8 @@ true, it will allow you to hide the event alarm information without removing it.
         """
         Create Alarm for event.
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of res alarm’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of res alarm's IDs.
         @param model: Model name.
         @param date: Event date
         @param context: A standard dictionary for contextual values
@@ -704,8 +710,8 @@ true, it will allow you to hide the event alarm information without removing it.
         """
         Delete alarm specified in ids
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of res alarm’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of res alarm's IDs.
         @param model: Model name for which alarm is to be cleared.
         @return: True
         """
@@ -715,12 +721,12 @@ true, it will allow you to hide the event alarm information without removing it.
         ir_obj = self.pool.get('ir.model')
         model_id = ir_obj.search(cr, uid, [('model', '=', model)])[0]
         model_obj = self.pool.get(model)
-        for datas in model_obj.browse(cr, uid, ids, context=context):
-            alarm_ids = alarm_obj.search(cr, uid, [('model_id', '=', model_id), ('res_id', '=', datas.id)])
+        for data in model_obj.browse(cr, uid, ids, context=context):
+            alarm_ids = alarm_obj.search(cr, uid, [('model_id', '=', model_id), ('res_id', '=', data.id)])
             if alarm_ids:
                 alarm_obj.unlink(cr, uid, alarm_ids)
                 cr.execute('Update %s set base_calendar_alarm_id=NULL, alarm_id=NULL\
-                            where id=%%s' % model_obj._table,(datas.id,))
+                            where id=%%s' % model_obj._table,(data.id,))
         return True
 
 res_alarm()
@@ -773,7 +779,7 @@ class calendar_alarm(osv.osv):
         Overrides orm create method.
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param vals: dictionary of fields value.{‘name_of_the_field’: value, ...}
+        @param vals: dictionary of fields value.{'name_of_the_field': value, ...}
         @param context: A standard dictionary for contextual values
         @return: new record id for calendar_alarm.
         """
@@ -798,8 +804,8 @@ class calendar_alarm(osv.osv):
         """Scheduler for event reminder
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar alarm’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of calendar alarm's IDs.
         @param use_new_cursor: False or the dbname
         @param context: A standard dictionary for contextual values
         """
@@ -891,8 +897,8 @@ class calendar_event(osv.osv):
         """Returns duration and/or end date based on values passed
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of calendar event’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of calendar event's IDs.
         @param start_date: Starting date
         @param duration: Duration between start date and end date
         @param end_date: Ending Datee
@@ -967,14 +973,14 @@ class calendar_event(osv.osv):
         if not isinstance(ids, list):
             ids = [ids]
 
-        for datas in self.read(cr, uid, ids, ['id','byday','recurrency', 'month_list','end_date', 'rrule_type', 'select1', 'interval', 'count', 'end_type', 'mo', 'tu', 'we', 'th', 'fr', 'sa', 'su', 'exrule', 'day', 'week_list' ], context=context):
-            event = datas['id']
-            if datas.get('interval', 0) < 0:
+        for data in self.read(cr, uid, ids, ['id','byday','recurrency', 'month_list','end_date', 'rrule_type', 'select1', 'interval', 'count', 'end_type', 'mo', 'tu', 'we', 'th', 'fr', 'sa', 'su', 'exrule', 'day', 'week_list' ], context=context):
+            event = data['id']
+            if data.get('interval', 0) < 0:
                 raise osv.except_osv(_('Warning!'), _('Interval cannot be negative.'))
-            if datas.get('count', 0) <= 0:
+            if data.get('count', 0) <= 0:
                 raise osv.except_osv(_('Warning!'), _('Count cannot be negative or 0.'))
-            if datas['recurrency']:
-                result[event] = self.compute_rule_string(datas)
+            if data['recurrency']:
+                result[event] = self.compute_rule_string(data)
             else:
                 result[event] = ""
         return result
@@ -990,7 +996,6 @@ class calendar_event(osv.osv):
                 super(calendar_event, obj).write(cr, uid, ids, data, context=context)
         return True
 
-
     _columns = {
         'id': fields.integer('ID', readonly=True),
         'sequence': fields.integer('Sequence'),
@@ -1006,21 +1011,24 @@ class calendar_event(osv.osv):
         'show_as': fields.selection([('free', 'Free'), ('busy', 'Busy')], \
                                                 'Show Time as', states={'done': [('readonly', True)]}),
         'base_calendar_url': fields.char('Caldav URL', size=264),
-        'state': fields.selection([('tentative', 'Tentative'),
-                        ('cancelled', 'Cancelled'),
-                        ('confirmed', 'Confirmed'),
-                        ], 'Status', readonly=True),
+        'state': fields.selection([
+            ('tentative', 'Tentative'),
+            ('cancelled', 'Cancelled'),
+            ('confirmed', 'Confirmed'),
+            ], 'Status', readonly=True),
         'exdate': fields.text('Exception Date/Times', help="This property \
 defines the list of date/time exceptions for a recurring calendar component."),
         'exrule': fields.char('Exception Rule', size=352, help="Defines a \
 rule or repeating pattern of time to exclude from the recurring rule."),
         'rrule': fields.function(_get_rulestring, type='char', size=124, \
                     fnct_inv=_rrule_write, store=True, string='Recurrent Rule'),
-        'rrule_type': fields.selection([('none', ''), ('daily', 'Day(s)'), \
-                            ('weekly', 'Week(s)'), ('monthly', 'Month(s)'), \
-                            ('yearly', 'Year(s)'),],
-                            'Recurrency', states={'done': [('readonly', True)]},
-                            help="Let the event automatically repeat at that interval"),
+        'rrule_type': fields.selection([
+            ('daily', 'Day(s)'),
+            ('weekly', 'Week(s)'),
+            ('monthly', 'Month(s)'),
+            ('yearly', 'Year(s)')
+            ], 'Recurrency', states={'done': [('readonly', True)]},
+            help="Let the event automatically repeat at that interval"),
         'alarm_id': fields.many2one('res.alarm', 'Reminder', states={'done': [('readonly', True)]},
                         help="Set an alarm at this time, before the event occurs" ),
         'base_calendar_alarm_id': fields.many2one('calendar.alarm', 'Alarm'),
@@ -1028,7 +1036,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         'recurrent_id': fields.datetime('Recurrent ID date'),
         'vtimezone': fields.selection(_tz_get, size=64, string='Timezone'),
         'user_id': fields.many2one('res.users', 'Responsible', states={'done': [('readonly', True)]}),
-        'organizer': fields.char("Organizer", size=256, states={'done': [('readonly', True)]}), # Map with Organizer Attribure of VEvent.
+        'organizer': fields.char("Organizer", size=256, states={'done': [('readonly', True)]}), # Map with organizer attribute of VEvent.
         'organizer_id': fields.many2one('res.users', 'Organizer', states={'done': [('readonly', True)]}),
         'end_type' : fields.selection([('count', 'Number of repetitions'), ('end_date','End date')], 'Recurrence Termination'),
         'interval': fields.integer('Repeat Every', help="Repeat every (Days/Week/Month/Year)"),
@@ -1043,13 +1051,21 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         'select1': fields.selection([('date', 'Date of month'),
                                     ('day', 'Day of month')], 'Option'),
         'day': fields.integer('Date of month'),
-        'week_list': fields.selection([('MO', 'Monday'), ('TU', 'Tuesday'), \
-                                   ('WE', 'Wednesday'), ('TH', 'Thursday'), \
-                                   ('FR', 'Friday'), ('SA', 'Saturday'), \
-                                   ('SU', 'Sunday')], 'Weekday'),
-        'byday': fields.selection([('1', 'First'), ('2', 'Second'), \
-                                   ('3', 'Third'), ('4', 'Fourth'), \
-                                   ('5', 'Fifth'), ('-1', 'Last')], 'By day'),
+        'week_list': fields.selection([
+            ('MO', 'Monday'),
+            ('TU', 'Tuesday'),
+            ('WE', 'Wednesday'),
+            ('TH', 'Thursday'),
+            ('FR', 'Friday'),
+            ('SA', 'Saturday'),
+            ('SU', 'Sunday')], 'Weekday'),
+        'byday': fields.selection([
+            ('1', 'First'),
+            ('2', 'Second'),
+            ('3', 'Third'),
+            ('4', 'Fourth'),
+            ('5', 'Fifth'),
+            ('-1', 'Last')], 'By day'),
         'month_list': fields.selection(months.items(), 'Month'),
         'end_date': fields.date('Repeat Until'),
         'attendee_ids': fields.many2many('calendar.attendee', 'event_attendee_rel', \
@@ -1101,9 +1117,9 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         return res
 
     _defaults = {
-            'end_type' : 'count',
-            'count' : 1,
-            'rrule_type' : 'none',
+            'end_type': 'count',
+            'count': 1,
+            'rrule_type': False,
             'state': 'tentative',
             'class': 'public',
             'show_as': 'busy',
@@ -1113,7 +1129,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             'user_id': lambda self, cr, uid, ctx: uid,
             'organizer': default_organizer,
     }
-    
+
     def _check_closing_date(self, cr, uid, ids, context=None):
         for event in self.browse(cr, uid, ids, context=context):
             if event.date_deadline < event.date:
@@ -1129,7 +1145,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         This method gives ids of dates that comes between start date and end date of calendar views
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param limit: The Number of Results to Return """
         if not context:
             context = {}
@@ -1140,7 +1156,8 @@ rule or repeating pattern of time to exclude from the recurring rule."),
                 result.append(data['id'])
                 continue
             event_date = datetime.strptime(data['date'], "%Y-%m-%d %H:%M:%S")
-#                To check: If the start date is replace by event date .. the event date will be changed by that of calendar code
+
+            # TOCHECK: the start date should be replaced by event date; the event date will be changed by that of calendar code
 
             if not data['rrule']:
                 continue
@@ -1186,45 +1203,46 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             ids = list(set(result))
         return ids
 
-    def compute_rule_string(self, datas):
+    def compute_rule_string(self, data):
         """
         Compute rule string according to value type RECUR of iCalendar from the values given.
         @param self: the object pointer
-        @param datas: dictionary of freq and interval value.
+        @param data: dictionary of freq and interval value
+        @return: string containing recurring rule (empty if no rule)
         """
-        def get_week_string(freq, datas):
+        def get_week_string(freq, data):
             weekdays = ['mo', 'tu', 'we', 'th', 'fr', 'sa', 'su']
             if freq == 'weekly':
-                byday = map(lambda x: x.upper(), filter(lambda x: datas.get(x) and x in weekdays, datas))
+                byday = map(lambda x: x.upper(), filter(lambda x: data.get(x) and x in weekdays, data))
                 if byday:
                     return ';BYDAY=' + ','.join(byday)
             return ''
 
-        def get_month_string(freq, datas):
+        def get_month_string(freq, data):
             if freq == 'monthly':
-                if datas.get('select1')=='date' and (datas.get('day') < 1 or datas.get('day') > 31):
+                if data.get('select1')=='date' and (data.get('day') < 1 or data.get('day') > 31):
                     raise osv.except_osv(_('Error!'), ("Please select a proper day of the month."))
 
-                if datas.get('select1')=='day':
-                    return ';BYDAY=' + datas.get('byday') + datas.get('week_list')
-                elif datas.get('select1')=='date':
-                    return ';BYMONTHDAY=' + str(datas.get('day'))
+                if data.get('select1')=='day':
+                    return ';BYDAY=' + data.get('byday') + data.get('week_list')
+                elif data.get('select1')=='date':
+                    return ';BYMONTHDAY=' + str(data.get('day'))
             return ''
 
-        def get_end_date(datas):
-            if datas.get('end_date'):
-                datas['end_date_new'] = ''.join((re.compile('\d')).findall(datas.get('end_date'))) + 'T235959Z'
+        def get_end_date(data):
+            if data.get('end_date'):
+                data['end_date_new'] = ''.join((re.compile('\d')).findall(data.get('end_date'))) + 'T235959Z'
 
-            return (datas.get('end_type') == 'count' and (';COUNT=' + str(datas.get('count'))) or '') +\
-                             ((datas.get('end_date_new') and datas.get('end_type') == 'end_date' and (';UNTIL=' + datas.get('end_date_new'))) or '')
+            return (data.get('end_type') == 'count' and (';COUNT=' + str(data.get('count'))) or '') +\
+                             ((data.get('end_date_new') and data.get('end_type') == 'end_date' and (';UNTIL=' + data.get('end_date_new'))) or '')
 
-        freq=datas.get('rrule_type')
-        if freq == 'none':
-            return ''
+        freq = data.get('rrule_type', False)
+        res = ''
+        if freq:
+            interval_srting = data.get('interval') and (';INTERVAL=' + str(data.get('interval'))) or ''
+            res = 'FREQ=' + freq.upper() + get_week_string(freq, data) + interval_srting + get_end_date(data) + get_month_string(freq, data)
 
-        interval_srting = datas.get('interval') and (';INTERVAL=' + str(datas.get('interval'))) or ''
-
-        return 'FREQ=' + freq.upper() + get_week_string(freq, datas) + interval_srting + get_end_date(datas) + get_month_string(freq, datas)
+        return res
 
     def _get_empty_rrule_data(self):
         return  {
@@ -1248,19 +1266,6 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             'week_list' : False
         }
 
-    #def _write_rrule(self, cr, uid, ids, field_value, rule_date=False, context=None):
-    #    data = self._get_empty_rrule_data()
-    #
-    #    if field_value:
-    #        data['recurrency'] = True
-    #        for event in self.browse(cr, uid, ids, context=context):
-    #            rdate = rule_date or event.date
-    #            update_data = self._parse_rrule(field_value, dict(data), rdate)
-    #            data.update(update_data)
-    #            #parse_rrule
-    #            self.write(cr, uid, event.id, data, context=context)
-
-
     def _parse_rrule(self, rule, data, date_start):
         day_list = ['mo', 'tu', 'we', 'th', 'fr', 'sa', 'su']
         rrule_type = ['yearly', 'monthly', 'weekly', 'daily']
@@ -1278,7 +1283,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
                 if i in r._byweekday:
                     data[day_list[i]] = True
             data['rrule_type'] = 'weekly'
-        #repeat monthly bynweekday ((weekday, weeknumber), )
+        #repeat monthly by nweekday ((weekday, weeknumber), )
         if r._bynweekday:
             data['week_list'] = day_list[r._bynweekday[0][0]].upper()
             data['byday'] = r._bynweekday[0][1]
@@ -1290,7 +1295,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             data['select1'] = 'date'
             data['rrule_type'] = 'monthly'
 
-        #yearly but for openerp it's monthly, take same information as monthly but interval is 12 times
+        #repeat yearly but for openerp it's monthly, take same information as monthly but interval is 12 times
         if r._bymonth:
             data['interval'] = data['interval'] * 12
 
@@ -1363,7 +1368,6 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             except Exception:
                 return True
 
-
     def write(self, cr, uid, ids, vals, context=None, check=True, update_check=True):
         context = context or {}
         if isinstance(ids, (str, int, long)):
@@ -1384,14 +1388,14 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             data = self.read(cr, uid, event_id, ['date', 'date_deadline', \
                                                 'rrule', 'duration', 'exdate'])
             if data.get('rrule'):
-                data.update(vals)
-                data.update({
-                    'recurrent_uid': real_event_id,
-                    'recurrent_id': data.get('date'),
-                    'rrule_type': 'none',
-                    'rrule': '',
-                    'recurrency' : False,
-                    })
+                data.update(
+                    vals,
+                    recurrent_uid=real_event_id,
+                    recurrent_id=data.get('date'),
+                    rrule_type=False,
+                    rrule='',
+                    recurrency=False,
+                )
 
                 new_id = self.copy(cr, uid, real_event_id, default=data, context=context)
 
@@ -1435,7 +1439,6 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         return res
 
     def read(self, cr, uid, ids, fields=None, context=None, load='_classic_read'):
-        # FIXME This whole id mangling has to go!
         if context is None:
             context = {}
         fields2 = fields and fields[:] or None
@@ -1445,10 +1448,12 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             if fields and (f not in fields):
                 fields2.append(f)
 
+        # FIXME This whole id mangling has to go!
         if isinstance(ids, (str, int, long)):
             select = [ids]
         else:
             select = ids
+
         select = map(lambda x: (x, base_calendar_id2real_id(x)), select)
         result = []
 
@@ -1477,7 +1482,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
                     if f not in ('id','date','date_deadline','duration','user_id','state'):
                         if isinstance(r[f], list):
                             r[f] = []
-                        else:    
+                        else:
                             r[f] = False
                     if f=='name':
                         r[f] = _('Busy')
@@ -1525,7 +1530,6 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         self.unlink_events(cr, uid, ids, context=context)
         return res
 
-
     def create(self, cr, uid, vals, context=None):
         if context is None:
             context = {}
@@ -1543,7 +1547,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         """ Makes event invitation as Tentative
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param ids: List of Event IDs
         @param *args: Get Tupple value
         @param context: A standard dictionary for contextual values
@@ -1554,7 +1558,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         """ Makes event invitation as Tentative
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param ids: List of Event IDs
         @param *args: Get Tupple value
         @param context: A standard dictionary for contextual values
@@ -1565,7 +1569,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
         """ Makes event invitation as Tentative
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param ids: List of Event IDs
         @param *args: Get Tupple value
         @param context: A standard dictionary for contextual values
@@ -1586,9 +1590,9 @@ class calendar_todo(osv.osv):
         Get Date
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param ids: List of calendar todo's IDs.
-        @param args: list of tuples of form [(‘name_of_the_field’, ‘operator’, value), ...].
+        @param args: list of tuples of form [(‘name_of_the_field', ‘operator', value), ...].
         @param context: A standard dictionary for contextual values
         """
 
@@ -1602,10 +1606,10 @@ class calendar_todo(osv.osv):
         Set Date
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param id: calendar's ID.
         @param value: Get Value
-        @param args: list of tuples of form [(‘name_of_the_field’, ‘operator’, value), ...].
+        @param args: list of tuples of form [('name_of_the_field', 'operator', value), ...].
         @param context: A standard dictionary for contextual values
         """
 
@@ -1633,7 +1637,7 @@ class ir_values(osv.osv):
         Set IR Values
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param model: Get The Model
         """
 
@@ -1652,7 +1656,7 @@ class ir_values(osv.osv):
         Get IR Values
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param model: Get The Model
         """
         if context is None:
@@ -1678,8 +1682,8 @@ class ir_model(osv.osv):
         Overrides orm read method.
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of IR Model’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of IR Model's IDs.
         @param context: A standard dictionary for contextual values
         """
         new_ids = isinstance(ids, (str, int, long)) and [ids] or ids
@@ -1696,24 +1700,24 @@ ir_model()
 
 class virtual_report_spool(web_services.report_spool):
 
-    def exp_report(self, db, uid, object, ids, datas=None, context=None):
+    def exp_report(self, db, uid, object, ids, data=None, context=None):
         """
         Export Report
         @param self: The object pointer
         @param db: get the current database,
-        @param uid: the current user’s ID for security checks,
+        @param uid: the current user's ID for security checks,
         @param context: A standard dictionary for contextual values
         """
 
         if object == 'printscreen.list':
             return super(virtual_report_spool, self).exp_report(db, uid, \
-                            object, ids, datas, context)
+                            object, ids, data, context)
         new_ids = []
         for id in ids:
             new_ids.append(base_calendar_id2real_id(id))
-        if datas.get('id', False):
-            datas['id'] = base_calendar_id2real_id(datas['id'])
-        return super(virtual_report_spool, self).exp_report(db, uid, object, new_ids, datas, context)
+        if data.get('id', False):
+            data['id'] = base_calendar_id2real_id(data['id'])
+        return super(virtual_report_spool, self).exp_report(db, uid, object, new_ids, data, context)
 
 virtual_report_spool()
 
@@ -1725,8 +1729,8 @@ class res_users(osv.osv):
         Get User Availability
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of res user’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of res user's IDs.
         @param context: A standard dictionary for contextual values
         """
 
@@ -1755,8 +1759,8 @@ class res_users(osv.osv):
         Get User Availability Function
         @param self: The object pointer
         @param cr: the current row, from the database cursor,
-        @param uid: the current user’s ID for security checks,
-        @param ids: List of res user’s IDs.
+        @param uid: the current user's ID for security checks,
+        @param ids: List of res user's IDs.
         @param context: A standard dictionary for contextual values
         """
 
@@ -1770,5 +1774,4 @@ class res_users(osv.osv):
 
 res_users()
 
-
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/base_calendar/base_calendar_view.xml b/addons/base_calendar/base_calendar_view.xml
index fe292a489ab..d5dc75df873 100644
--- a/addons/base_calendar/base_calendar_view.xml
+++ b/addons/base_calendar/base_calendar_view.xml
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
     <data>
-        <!-- Attendee form view-->
-
+        <!-- Attendee form view -->
         <record id="base_calendar_attendee_form_view" model="ir.ui.view">
             <field name="name">calendar.attendee.form</field>
             <field name="model">calendar.attendee</field>
@@ -55,8 +54,7 @@
             </field>
         </record>
 
-        <!--        Attendee tree view-->
-
+        <!-- Attendee tree view -->
         <record id="base_calendar_attendee_tree_view" model="ir.ui.view">
             <field name="name">calendar.attendee.tree</field>
             <field name="model">calendar.attendee</field>
@@ -73,8 +71,7 @@
             </field>
         </record>
 
-        <!--        Attendee search view-->
-
+        <!-- Attendee search view -->
         <record id="base_calendar_attendee_search_view" model="ir.ui.view">
             <field name="name">calendar.attendee.search</field>
             <field name="model">calendar.attendee</field>
@@ -110,18 +107,16 @@
              <field name="context">{'default_sent_by_uid': uid}</field>
          </record>
 
-        <!-- Calenadar's menu -->
+        <!-- Calendar's menu -->
         <menuitem id="base.menu_calendar_configuration" name="Calendar"
             parent="base.menu_base_config" sequence="50" groups="base.group_no_one"/>
 
         <!-- Invitation menu -->
-
          <menuitem id="menu_attendee_invitations"
             parent="base.menu_calendar_configuration"
             sequence="10" action="action_view_attendee_form"/>
 
-        <!--        ALARM FORM VIEW-->
-
+        <!-- Alarm form view -->
         <record id="res_alarm_form_view" model="ir.ui.view">
             <field name="name">res.alarm.form</field>
             <field name="model">res.alarm</field>
@@ -140,8 +135,7 @@
             </field>
         </record>
 
-        <!--        ALARM TREE VIEW-->
-
+        <!-- Alarm list view -->
         <record id="res_alarm_tree_view" model="ir.ui.view">
             <field name="name">res.alarm.tree</field>
             <field name="model">res.alarm</field>
@@ -171,15 +165,13 @@
             </field>
         </record>
 
-        <!--        Menu for Alarms-->
-
+        <!-- Alarms menu -->
          <menuitem id="menu_crm_meeting_avail_alarm"
             groups="base.group_no_one"
             action="base_calendar.action_res_alarm_view"
             parent="base.menu_calendar_configuration" sequence="5"/>
 
-        <!-- Event Form View-->
-
+        <!-- Event form view -->
         <record model="ir.ui.view" id="event_form_view">
             <field name="name">Event Form</field>
             <field name="model">calendar.event</field>
@@ -334,8 +326,7 @@
             </field>
         </record>
 
-        <!-- Event Tree View  -->
-
+        <!-- Event list view -->
         <record model="ir.ui.view" id="event_tree_view">
             <field name="name">Event Tree</field>
             <field name="model">calendar.event</field>
@@ -352,8 +343,7 @@
             </field>
         </record>
 
-        <!-- Event Calendar View  -->
-
+        <!-- Event calendar view -->
         <record model="ir.ui.view" id="event_calendar_view">
             <field name="name">Events Calendar</field>
             <field name="model">calendar.event</field>
@@ -367,8 +357,7 @@
             </field>
         </record>
 
-        <!--     Event Search View-->
-
+        <!-- Event search view -->
         <record id="view_calendar_event_filter" model="ir.ui.view">
             <field name="name">Calendar Events Search</field>
             <field name="model">calendar.event</field>
@@ -393,8 +382,7 @@
         </record>
 
 
-        <!-- Event action  -->
-
+        <!-- Event action -->
         <record id="action_view_event" model="ir.actions.act_window">
                 <field name="name">Events</field>
                 <field name="type">ir.actions.act_window</field>
@@ -404,8 +392,7 @@
                 <field name="search_view_id" ref="view_calendar_event_filter"/>
             </record>
 
-        <!-- Event menu  -->
-
+        <!-- Event menu -->
         <menuitem id="menu_events"
                 name="Events" parent="base.menu_calendar_configuration"
                 sequence="15" action="action_view_event"/>
diff --git a/addons/base_calendar/crm_meeting.py b/addons/base_calendar/crm_meeting.py
index b87114f3a66..9ceaea671ca 100644
--- a/addons/base_calendar/crm_meeting.py
+++ b/addons/base_calendar/crm_meeting.py
@@ -43,14 +43,14 @@ class crm_meeting(base_state, osv.Model):
     _name = 'crm.meeting'
     _description = "Meeting"
     _order = "id desc"
-    _inherit = ["calendar.event", "mail.thread", 'ir.needaction_mixin']
+    _inherit = ["calendar.event", "mail.thread", "ir.needaction_mixin"]
     _columns = {
         # base_state required fields
         'create_date': fields.datetime('Creation Date', readonly=True),
         'write_date': fields.datetime('Write Date', readonly=True),
         'date_open': fields.datetime('Confirmed', readonly=True),
         'date_closed': fields.datetime('Closed', readonly=True),
-        'partner_ids': fields.many2many('res.partner', 'crm_meeting_partner_rel', 'meeting_id','partner_id',
+        'partner_ids': fields.many2many('res.partner', 'crm_meeting_partner_rel', 'meeting_id', 'partner_id',
             string='Attendees', states={'done': [('readonly', True)]}),
         'state': fields.selection(
                     [('draft', 'Unconfirmed'), ('open', 'Confirmed')],
@@ -115,5 +115,3 @@ class crm_meeting(base_state, osv.Model):
 
     def case_close_send_note(self, cr, uid, ids, context=None):
         return self.message_post(cr, uid, ids, body=_("Meeting <b>completed</b>."), context=context)
-
-
diff --git a/addons/base_calendar/crm_meeting_view.xml b/addons/base_calendar/crm_meeting_view.xml
index 26c11262a2c..45115abd880 100644
--- a/addons/base_calendar/crm_meeting_view.xml
+++ b/addons/base_calendar/crm_meeting_view.xml
@@ -15,9 +15,9 @@
     <record id="action_crm_meeting_read" model="ir.values">
         <field name="name">action_crm_meeting_read</field>
         <field name="action_id" ref="actions_server_crm_meeting_read"/>
-        <field name="value" eval="'ir.actions.server,' + str(ref('actions_server_crm_meeting_read'))" />
+        <field name="value" eval="'ir.actions.server,' + str(ref('actions_server_crm_meeting_read'))"/>
         <field name="key">action</field>
-        <field name="model_id" ref="model_crm_meeting" />
+        <field name="model_id" ref="model_crm_meeting"/>
         <field name="model">crm.meeting</field>
         <field name="key2">client_action_multi</field>
     </record>
@@ -33,9 +33,9 @@
     <record id="action_crm_meeting_unread" model="ir.values">
         <field name="name">action_crm_meeting_unread</field>
         <field name="action_id" ref="actions_server_crm_meeting_unread"/>
-        <field name="value" eval="'ir.actions.server,' + str(ref('actions_server_crm_meeting_unread'))" />
+        <field name="value" eval="'ir.actions.server,' + str(ref('actions_server_crm_meeting_unread'))"/>
         <field name="key">action</field>
-        <field name="model_id" ref="model_crm_meeting" />
+        <field name="model_id" ref="model_crm_meeting"/>
         <field name="model">crm.meeting</field>
         <field name="key2">client_action_multi</field>
     </record>
@@ -73,7 +73,7 @@
                 <sheet>
                     <div class="oe_title">
                         <div class="oe_edit_only">
-                            <label for="name"/> 
+                            <label for="name"/>
                         </div>
                         <h1>
                             <field name="name"/>
@@ -116,9 +116,49 @@
                     </page>
                     <page string="Options">
                         <group>
-                            <group>
-                                <field name="recurrency"
-                                    attrs="{'readonly': [('recurrent_uid','!=',False)]}"/>
+                            <group col="1">
+                                <group>
+                                    <field name="recurrency"
+                                        attrs="{'readonly': [('recurrent_uid','!=',False)]}"/>
+                                </group>
+                                <group attrs="{'invisible': [('recurrency','=',False)]}">
+                                    <label for="interval"/>
+                                    <div>
+                                        <field name="interval" attrs="{'required': [('recurrency','==',True)]}" class="oe_inline"/>
+                                        <field name="rrule_type" attrs="{'required': [('recurrency','==',True)]}" class="oe_inline"/>
+                                    </div>
+                                    <label string="Until" for="end_type"/>
+                                    <div>
+                                        <field name="end_type" attrs="{'required': [('recurrency','==',True)]}" class="oe_inline"/>
+                                        <field name="count" attrs="{'invisible': [('end_type', '!=', 'count')], 'required': [('recurrency','==',True)]}" class="oe_inline"/>
+                                        <field name="end_date" attrs="{'invisible': [('end_type', '!=', 'end_date')], 'required': [('end_type', '=', 'end_date')]}" class="oe_inline"/>
+                                    </div>
+                                    <label string="Select Weekdays" attrs="{'invisible' :[('rrule_type','not in', ['weekly'])]}"/>
+                                    <group col="2" colspan="1" name="weekdays" attrs="{'invisible' :[('rrule_type','not in', ['weekly'])]}">
+                                        <field name="mo"/>
+                                        <field name="tu"/>
+                                        <field name="we"/>
+                                        <field name="th"/>
+                                        <field name="fr"/>
+                                        <field name="sa"/>
+                                        <field name="su"/>
+                                    </group>
+
+                                    <label string="Day of Month"
+                                        attrs="{'invisible': [('rrule_type','!=','monthly')]}"/>
+
+                                    <div attrs="{'invisible': [('rrule_type','!=','monthly')]}">
+                                        <field name="select1"/>
+                                        <field name="day"
+                                            attrs="{'required': [('select1','=','date'), ('rrule_type','=','monthly')],
+                                                'invisible': [('select1','=','day')]}"/>
+                                        <field name="byday" string="The"
+                                            attrs="{'required': [('select1','=','day'), ('rrule_type','=','monthly')], 'invisible': [('select1','=','date')]}"/>
+                                        <field name="week_list" nolabel="1"
+                                            attrs="{'required': [('select1','=','day'), ('rrule_type','=','monthly')], 'invisible': [('select1','=','date')]}"/>
+                                    </div>
+
+                                </group>
                             </group>
                             <group>
                                 <field name="alarm_id" widget="selection" groups="base.group_no_one"/>
@@ -128,44 +168,6 @@
                                 <field name="recurrent_id" invisible="1"/>
                                 <field name="recurrent_uid" invisible="1"/>
                             </group>
-                            <group attrs="{'invisible': [('recurrency','=',False)]}">
-                                <label for="interval"/>
-                                <div>
-                                    <field name="interval" class="oe_inline"/>
-                                    <field name="rrule_type" class="oe_inline"/>
-                                </div>
-                                <label string="Until" for="end_type"/>
-                                <div>
-                                    <field name="end_type" class="oe_inline"/>
-                                    <field name="count" attrs="{'invisible' : [('end_type', '!=', 'count')] }" class="oe_inline"/>
-                                    <field name="end_date" attrs="{'invisible' : [('end_type', '!=', 'end_date')], 'required': [('end_type', '=', 'end_date')]}" class="oe_inline"/>
-                                </div>
-                                <label string="Select Weekdays" attrs="{'invisible' :[('rrule_type','not in', ['weekly'])]}"/>
-                                <group col="2" colspan="1" name="weekdays" attrs="{'invisible' :[('rrule_type','not in', ['weekly'])]}">
-                                    <field name="mo" />
-                                    <field name="tu" />
-                                    <field name="we" />
-                                    <field name="th" />
-                                    <field name="fr" />
-                                    <field name="sa" />
-                                    <field name="su" />
-                                </group>
-
-                                <label string="Day of Month"
-                                    attrs="{'invisible' : [('rrule_type','!=','monthly')]}"/>
-
-                                <div attrs="{'invisible' : [('rrule_type','!=','monthly')]}">
-                                    <field name="select1" />
-                                    <field name="day"
-                                        attrs="{'required' : [('select1','=','date'), ('rrule_type','=','monthly')],
-                                            'invisible' : [('select1','=','day')]}" />
-                                    <field name="byday" string="The"
-                                        attrs="{'required' : [('select1','=','day'), ('rrule_type','=','monthly')], 'invisible' : [('select1','=','date')]}" />
-                                    <field name="week_list" nolabel="1"
-                                        attrs="{'required' : [('select1','=','day'), ('rrule_type','=','monthly')], 'invisible' : [('select1','=','date')]}" />
-                                </div>
-
-                            </group>
                         </group>
                     </page>
                     <!--
@@ -178,12 +180,11 @@
                             <tree string="Invitation details" editable="top">
                                 <field name="partner_id"/>
                                 <field name="email" string="Mail To"/>
-                                <field name="state" />
+                                <field name="state"/>
                                 <button name="do_tentative"
                                     states="needs-action,declined,accepted"
                                     string="Uncertain" type="object"
-                                    icon="terp-crm"
-                                    />
+                                    icon="terp-crm"/>
                                 <button name="do_accept" string="Accept"
                                     states="needs-action,tentative,declined"
                                     type="object" icon="gtk-apply"/>
@@ -195,21 +196,21 @@
                                 <header>
                                     <button name="do_tentative" type="object"
                                         states="needs-action,declined,accepted"
-                                        string="Uncertain" />
+                                        string="Uncertain"/>
                                     <button name="do_accept" type="object"
                                         states="needs-action,tentative,declined"
-                                        string="Accept" />
+                                        string="Accept"/>
                                     <button name="do_decline" type="object"
                                         states="needs-action,tentative,accepted"
-                                        string="Decline" />
+                                        string="Decline"/>
                                     <field name="state" widget="statusbar" statusbar_visible="draft,open,done"/>
                                 </header>
                                 <group>
                                     <group>
-                                        <field name="email" />
-                                        <field name="rsvp" />
-                                        <field name="cutype" />
-                                        <field name="role" />
+                                        <field name="email"/>
+                                        <field name="rsvp"/>
+                                        <field name="cutype"/>
+                                        <field name="role"/>
                                     </group>
                                     <group>
                                         <field name="partner_id"/>
@@ -237,11 +238,11 @@
         <field name="model">crm.meeting</field>
         <field name="arch" type="xml">
             <tree string="Meetings" fonts="bold:message_unread==True">
-                <field name="name" string="Subject" />
+                <field name="name" string="Subject"/>
                 <field name="user_id"/>
                 <field name="date"/>
                 <field name="state" invisible="True"/>
-                <field name="duration" />
+                <field name="duration"/>
                 <field name="message_unread" invisible="1"/>
             </tree>
         </field>
@@ -299,7 +300,7 @@
         <field name="context">{"calendar_default_user_id": uid}</field>
         <field name="help" type="html">
           <p class="oe_view_nocontent_create">
-            Click to schedule a new meeting. 
+            Click to schedule a new meeting.
           </p><p>
             The calendar is shared between employees and fully integrated with
             other applications such as the employee holidays or the business
diff --git a/addons/base_calendar/test/base_calendar_test.yml b/addons/base_calendar/test/base_calendar_test.yml
index cc1b3c3b292..c84f3ce36c3 100644
--- a/addons/base_calendar/test/base_calendar_test.yml
+++ b/addons/base_calendar/test/base_calendar_test.yml
@@ -10,8 +10,7 @@
         duration: 2.5
         location: OpenERP S.A.
         name: Technical Presentation
-        rrule_type: none
--   
+-
   Now I will set recurrence for this event to occur monday and friday of week
 -
     !python {model: calendar.event}: |
@@ -39,10 +38,9 @@
         description: 'All day technical test '
         location: School
         name: All day test event
-        rrule_type: none
 -
   In order to check reminder I will first create reminder
-- 
+-
   !record {model: res.alarm, id: res_alarm_daybeforeeventstarts0}:
     name: 1 Day before event starts
     trigger_duration: 1
diff --git a/addons/event/event_view.xml b/addons/event/event_view.xml
index 003072616f7..b46fafe270f 100644
--- a/addons/event/event_view.xml
+++ b/addons/event/event_view.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <openerp>
     <data>
-        
+
         <record id="act_event_list_register_event" model="ir.actions.act_window">
             <field name="res_model">event.registration</field>
             <field name="view_type">form</field>
diff --git a/addons/mail/__init__.py b/addons/mail/__init__.py
index 92e882ae6d8..abf714ad534 100644
--- a/addons/mail/__init__.py
+++ b/addons/mail/__init__.py
@@ -33,6 +33,7 @@ import report
 import wizard
 import res_config
 import mail_group_menu
+import update
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 
diff --git a/addons/mail/data/mail_data.xml b/addons/mail/data/mail_data.xml
index 5fe1ee45b1d..522cbe8c7a7 100644
--- a/addons/mail/data/mail_data.xml
+++ b/addons/mail/data/mail_data.xml
@@ -13,6 +13,20 @@
             <field eval="'()'" name="args"/>
         </record>
 
+        <record id="ir_cron_module_update_notification" model="ir.cron">
+            <field name="name">Update Notification</field>
+            <field eval="True" name="active" />
+            <field name="user_id" ref="base.user_root" />
+            <field name="interval_number">1</field>
+            <field name="interval_type">weeks</field>
+            <field name="numbercall">-1</field>
+            <field eval="False" name="doall" />
+            <field eval="'ir.module.module'" name="model" />
+            <field eval="'update_notification'" name="function" />
+            <field eval="'(None,)'" name="args" />
+            <field name="priority">1000</field>
+        </record>
+
         <record id="mt_comment" model="mail.message.subtype">
             <field name="name">comment</field>
         </record>
diff --git a/addons/mail/mail_message.py b/addons/mail/mail_message.py
index bbf68509277..9c873a31097 100644
--- a/addons/mail/mail_message.py
+++ b/addons/mail/mail_message.py
@@ -504,7 +504,7 @@ class mail_message(osv.Model):
         if not values.get('message_id') and values.get('res_id') and values.get('model'):
             values['message_id'] = tools.generate_tracking_message_id('%(model)s-%(res_id)s' % values)
         newid = super(mail_message, self).create(cr, uid, values, context)
-        self._notify(cr, 1, newid, context=context)
+        self._notify(cr, SUPERUSER_ID, newid, context=context)
         return newid
 
     def read(self, cr, uid, ids, fields=None, context=None, load='_classic_read'):
diff --git a/addons/mail/static/src/js/mail_followers.js b/addons/mail/static/src/js/mail_followers.js
index 953b8cd9fc8..6c016c6c679 100644
--- a/addons/mail/static/src/js/mail_followers.js
+++ b/addons/mail/static/src/js/mail_followers.js
@@ -149,7 +149,6 @@ openerp_mail_followers = function(session, mail) {
             var self = this;
             var node_user_list = this.$('ul.oe_mail_followers_display').empty();
             this.$('div.oe_mail_recthread_followers h4').html(this.options.title + (records.length>=5 ? ' (' + records.length + ')' : '') );
-            console.log(records);
             for(var i=0; i<records.length&&i<5; i++) {
                 var record=records[i];
                 record.avatar_url = mail.ChatterUtils.get_image(self.session, 'res.partner', 'image_small', record.id);
diff --git a/addons/mail/update.py b/addons/mail/update.py
new file mode 100644
index 00000000000..0e10ee0a7f1
--- /dev/null
+++ b/addons/mail/update.py
@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+import datetime
+import logging
+import sys
+import urllib
+import urllib2
+
+import pooler
+import release
+from osv import osv, fields
+from tools.translate import _
+from tools.safe_eval import safe_eval
+from tools.config import config
+from tools import misc
+
+_logger = logging.getLogger(__name__)
+
+"""
+Time interval that will be used to determine up to which date we will
+check the logs to see if a message we just received was already logged.
+@type: datetime.timedelta
+"""
+_PREVIOUS_LOG_CHECK = datetime.timedelta(days=365)
+
+def get_sys_logs(cr, uid):
+    """
+    Utility method to send a publisher warranty get logs messages.
+    """
+    pool = pooler.get_pool(cr.dbname)
+
+    dbuuid = pool.get('ir.config_parameter').get_param(cr, uid, 'database.uuid')
+    db_create_date = pool.get('ir.config_parameter').get_param(cr, uid, 'database.create_date')
+    limit_date = datetime.datetime.now()
+    limit_date = limit_date - datetime.timedelta(15)
+    limit_date_str = limit_date.strftime(misc.DEFAULT_SERVER_DATETIME_FORMAT)
+    nbr_users = pool.get("res.users").search(cr, uid, [], count=True)
+    nbr_active_users = pool.get("res.users").search(cr, uid, [("date", ">=", limit_date_str)], count=True)
+    nbr_share_users = False
+    nbr_active_share_users = False
+    if "share" in pool.get("res.users")._all_columns:
+        nbr_share_users = pool.get("res.users").search(cr, uid, [("share", "=", True)], count=True)
+        nbr_active_share_users = pool.get("res.users").search(cr, uid, [("share", "=", True), ("date", ">=", limit_date_str)], count=True)
+    user = pool.get("res.users").browse(cr, uid, uid)
+    msg = {
+        "dbuuid": dbuuid,
+        "nbr_users": nbr_users,
+        "nbr_active_users": nbr_active_users,
+        "nbr_share_users": nbr_share_users,
+        "nbr_active_share_users": nbr_active_share_users,
+        "dbname": cr.dbname,
+        "db_create_date": db_create_date,
+        "version": release.version,
+        "language": user.lang,
+    }
+    msg.update(pool.get("res.company").read(cr,uid,[1],["name","email","phone"])[0])
+
+    add_arg = {"timeout":30} if sys.version_info >= (2,6) else {}
+    arguments = {'arg0': msg, "action": "update",}
+    arguments_raw = urllib.urlencode(arguments)
+
+    url = config.get("publisher_warranty_url")
+    uo = urllib2.urlopen(url, arguments_raw, **add_arg)
+    result = {}
+    try:
+        submit_result = uo.read()
+        result = safe_eval(submit_result)
+    finally:
+        uo.close()
+    return result
+
+class publisher_warranty_contract(osv.osv):
+    _name = "publisher_warranty.contract"
+
+    def update_notification(self, cr, uid, ids, cron_mode=True, context=None):
+        """
+        Send a message to OpenERP's publisher warranty server to check the
+        validity of the contracts, get notifications, etc...
+
+        @param cron_mode: If true, catch all exceptions (appropriate for usage in a cron).
+        @type cron_mode: boolean
+        """
+        try:
+            try:
+                result = get_sys_logs(cr, uid)
+            except Exception:
+                if cron_mode: # we don't want to see any stack trace in cron
+                    return False
+                _logger.debug("Exception while sending a get logs messages", exc_info=1)
+                raise osv.except_osv(_("Error"), _("Error during communication with the publisher warranty server."))
+            limit_date = (datetime.datetime.now() - _PREVIOUS_LOG_CHECK).strftime(misc.DEFAULT_SERVER_DATETIME_FORMAT)
+            # old behavior based on res.log; now on mail.message, that is not necessarily installed
+            proxy = self.pool.get('mail.message')
+
+            model, res_id = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'mail', 'group_all_employees')
+
+            for message in result["messages"]:
+                values = {
+                    'body' : message,
+                    'model' : 'mail.group',
+                    'res_id' : res_id,
+                    'user_id' : False,
+                }
+                proxy.create(cr, uid, values, context=context)
+        except Exception:
+            if cron_mode:
+                return False # we don't want to see any stack trace in cron
+            else:
+                raise
+        return True
+
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+
diff --git a/addons/process/static/src/js/process.js b/addons/process/static/src/js/process.js
index 57c6f196012..c593c1569fc 100644
--- a/addons/process/static/src/js/process.js
+++ b/addons/process/static/src/js/process.js
@@ -6,7 +6,6 @@ instance.web.ViewManager.include({
         var self = this;
         var _super = this._super();
         this.process_help = this.action ? this.action.help : '';
-        self.process_help = $(this.process_help).text();
         if(this.action) {
             this.process_model = this.action.res_model;
         } else {
@@ -240,9 +239,7 @@ instance.web.ViewManager.include({
                 title: _t('Process')
             });
         var form_controller = pop.view_form;
-        pop.on_write_completed.add_last(function() {
-                self.initialize_process_view();
-        });
+        pop.on('on_write_complete', self, self.initialize_process_view);
     }
 });
 };
diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 34f3c536917..ed7a2835425 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -793,6 +793,7 @@ class sale_order_line(osv.osv):
                             _('There is no Fiscal Position defined or Income category account defined for default properties of Product categories.'))
             res = {
                 'name': line.name,
+                'sequence': line.sequence,
                 'origin': line.order_id.name,
                 'account_id': account_id,
                 'price_unit': pu,