diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index 7cf32537e81..3c22140de54 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -1329,6 +1329,7 @@ class AccountInvoice(models.Model):
         values['state'] = 'draft'
         values['number'] = False
         values['origin'] = invoice.number
+        values['payment_term_id'] = False
         values['refund_invoice_id'] = invoice.id
 
         if date:
@@ -1714,6 +1715,7 @@ class AccountPaymentTerm(models.Model):
     def compute(self, value, date_ref=False):
         date_ref = date_ref or fields.Date.today()
         amount = value
+        sign = value < 0 and -1 or 1
         result = []
         if self.env.context.get('currency_id'):
             currency = self.env['res.currency'].browse(self.env.context['currency_id'])
@@ -1721,7 +1723,7 @@ class AccountPaymentTerm(models.Model):
             currency = self.env.user.company_id.currency_id
         for line in self.line_ids:
             if line.value == 'fixed':
-                amt = currency.round(line.value_amount)
+                amt = sign * currency.round(line.value_amount)
             elif line.value == 'percent':
                 amt = currency.round(value * (line.value_amount / 100.0))
             elif line.value == 'balance':
diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 5a80b5d98ff..3b00f72bb87 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -924,7 +924,7 @@ class AccountMoveLine(models.Model):
         elif self._context.get('skip_full_reconcile_check') == 'amount_currency_only':
             field = 'amount_residual_currency'
         #target the pair of move in self that are the oldest
-        sorted_moves = sorted(self, key=lambda a: a.date)
+        sorted_moves = sorted(self, key=lambda a: a.date_maturity or a.date)
         debit = credit = False
         for aml in sorted_moves:
             if credit and debit:
diff --git a/addons/hr/models/hr.py b/addons/hr/models/hr.py
index 974b4c9acf6..2bcfddd39d1 100644
--- a/addons/hr/models/hr.py
+++ b/addons/hr/models/hr.py
@@ -111,13 +111,15 @@ class Employee(models.Model):
     active = fields.Boolean('Active', related='resource_id.active', default=True, store=True)
     # private partner
     address_home_id = fields.Many2one(
-        'res.partner', 'Private Address', help='Enter here the private address of the employee, not the one linked to your company.')
+        'res.partner', 'Private Address', help='Enter here the private address of the employee, not the one linked to your company.',
+        groups="hr.group_hr_user")
     is_address_home_a_company = fields.Boolean(
         'The employee adress has a company linked',
         compute='_compute_is_address_home_a_company',
+        groups="hr.group_hr_user",
     )
     country_id = fields.Many2one(
-        'res.country', 'Nationality (Country)')
+        'res.country', 'Nationality (Country)', groups="hr.group_hr_user")
     gender = fields.Selection([
         ('male', 'Male'),
         ('female', 'Female'),
@@ -139,9 +141,9 @@ class Employee(models.Model):
         domain="[('partner_id', '=', address_home_id)]",
         groups="hr.group_hr_user",
         help='Employee bank salary account')
-    permit_no = fields.Char('Work Permit No')
-    visa_no = fields.Char('Visa No')
-    visa_expire = fields.Date('Visa Expire Date')
+    permit_no = fields.Char('Work Permit No', groups="hr.group_hr_user")
+    visa_no = fields.Char('Visa No', groups="hr.group_hr_user")
+    visa_expire = fields.Date('Visa Expire Date', groups="hr.group_hr_user")
 
     # image: all image fields are base64 encoded and PIL-supported
     image = fields.Binary(
diff --git a/addons/l10n_fr/migrations/2.0/post-migrate_tags_on_taxes.py b/addons/l10n_fr/migrations/2.0/post-migrate_tags_on_taxes.py
index a37770d2c1c..44367687c8f 100644
--- a/addons/l10n_fr/migrations/2.0/post-migrate_tags_on_taxes.py
+++ b/addons/l10n_fr/migrations/2.0/post-migrate_tags_on_taxes.py
@@ -1,7 +1,5 @@
-from openerp.modules.registry import RegistryManager
-
+# -*- coding: utf-8 -*-
+from odoo.addons.account.models.chart_template import migrate_tags_on_taxes
 
 def migrate(cr, version):
-    registry = RegistryManager.get(cr.dbname)
-    from openerp.addons.account.models.chart_template import migrate_tags_on_taxes
-    migrate_tags_on_taxes(cr, registry)
+    migrate_tags_on_taxes(cr, None)
diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index e7ce561d56f..ba856c4cfab 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -364,15 +364,22 @@ class PosOrder(models.Model):
         for order in self:
             aml = order.statement_ids.mapped('journal_entry_ids') | order.account_move.line_ids | order.invoice_id.move_id.line_ids
             aml = aml.filtered(lambda r: not r.reconciled and r.account_id.internal_type == 'receivable' and r.partner_id == order.partner_id.commercial_partner_id)
+
+            # Reconcile returns first
+            # to avoid mixing up the credit of a payment and the credit of a return
+            # in the receivable account
+            aml_returns = aml.filtered(lambda l: (l.journal_id.type == 'sale' and l.credit) or (l.journal_id.type != 'sale' and l.debit))
             try:
-                aml.reconcile()
+                aml_returns.reconcile()
+                (aml - aml_returns).reconcile()
             except Exception:
                 # There might be unexpected situations where the automatic reconciliation won't
                 # work. We don't want the user to be blocked because of this, since the automatic
                 # reconciliation is introduced for convenience, not for mandatory accounting
                 # reasons.
-                _logger.error('Reconciliation did not work for order %s', order.name)
-                continue
+                # It may be interesting to have the Traceback logged anyway
+                # for debugging and support purposes
+                _logger.exception('Reconciliation did not work for order %s', order.name)
 
     def _default_session(self):
         return self.env['pos.session'].search([('state', '=', 'opened'), ('user_id', '=', self.env.uid)], limit=1)
diff --git a/addons/point_of_sale/security/ir.model.access.csv b/addons/point_of_sale/security/ir.model.access.csv
index 2d3215c627e..cf767d1962f 100644
--- a/addons/point_of_sale/security/ir.model.access.csv
+++ b/addons/point_of_sale/security/ir.model.access.csv
@@ -28,7 +28,7 @@ access_product_pricelist_manager,product.pricelist manager,product.model_product
 access_product_pricelist_user,product.pricelist user,product.model_product_pricelist,group_pos_user,1,0,0,0
 access_pos_session_user,pos.session user,model_pos_session,group_pos_user,1,1,1,0
 access_pos_config_user,pos.config user,model_pos_config,group_pos_user,1,1,0,0
-access_pos_config_manager,pos.config user,model_pos_config,group_pos_manager,1,1,1,0
+access_pos_config_manager,pos.config manager,model_pos_config,group_pos_manager,1,1,1,1
 access_product_category_pos_manager,pos.category manager,model_pos_category,group_pos_manager,1,1,1,1
 access_product_category_pos_user,pos.category user,model_pos_category,group_pos_user,1,0,0,0
 access_barcode_nomenclature_pos_user,barcode.nomenclature.pos.user,barcodes.model_barcode_nomenclature,group_pos_user,1,0,0,0
diff --git a/addons/web_editor/static/src/js/widgets/ace.js b/addons/web_editor/static/src/js/widgets/ace.js
index 2112468fa95..80bb28a4c01 100644
--- a/addons/web_editor/static/src/js/widgets/ace.js
+++ b/addons/web_editor/static/src/js/widgets/ace.js
@@ -192,7 +192,6 @@ var ViewEditor = Widget.extend({
      */
     start: function () {
         this.$viewEditor = this.$('#ace-view-editor');
-        this.$editor = this.$('.ace_editor');
 
         this.$typeSwitcherChoices = this.$('.o_ace_type_switcher_choice');
         this.$typeSwitcherBtn = this.$('.o_ace_type_switcher > .dropdown-toggle');
@@ -210,6 +209,7 @@ var ViewEditor = Widget.extend({
 
         this.aceEditor = window.ace.edit(this.$viewEditor[0]);
         this.aceEditor.setTheme('ace/theme/monokai');
+        this.$editor = this.$('.ace_editor');
 
         var refX = 0;
         var resizing = false;
diff --git a/addons/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index e3aa0f60f90..64928682533 100644
--- a/addons/website_blog/models/website_blog.py
+++ b/addons/website_blog/models/website_blog.py
@@ -207,11 +207,12 @@ class BlogPost(models.Model):
 
     @api.multi
     def write(self, vals):
-        self.ensure_one()
-        if 'website_published' in vals and 'published_date' not in vals:
-            if (self.published_date or '') <= fields.Datetime.now():
-                vals['published_date'] = vals['website_published'] and fields.Datetime.now()
-        result = super(BlogPost, self).write(vals)
+        result = True
+        for post in self:
+            copy_vals = vals
+            if 'website_published' in vals and 'published_date' not in vals and (post.published_date or '') <= fields.Datetime.now():
+                copy_vals['published_date'] = vals['website_published'] and fields.Datetime.now() or False
+            result &= super(BlogPost, self).write(copy_vals)
         self._check_for_publication(vals)
         return result
 
diff --git a/addons/website_event_track/controllers/main.py b/addons/website_event_track/controllers/main.py
index 819176096b2..eaf17861741 100644
--- a/addons/website_event_track/controllers/main.py
+++ b/addons/website_event_track/controllers/main.py
@@ -15,7 +15,7 @@ class WebsiteEventTrackController(http.Controller):
 
     @http.route(['''/event/<model("event.event"):event>/track/<model("event.track", "[('event_id','=',event[0])]"):track>'''], type='http', auth="public", website=True)
     def event_track_view(self, event, track, **post):
-        track = track.sudo()
+        track = track.sudo().with_context(tz=event.date_tz or 'UTC')
         values = {'track': track, 'event': track.event_id, 'main_object': track}
         return request.render("website_event_track.track_view", values)
 
@@ -67,6 +67,7 @@ class WebsiteEventTrackController(http.Controller):
 
     @http.route(['''/event/<model("event.event"):event>/agenda'''], type='http', auth="public", website=True, sitemap=False)
     def event_agenda(self, event, tag=None, **post):
+        event = event.with_context(tz=event.date_tz or 'UTC')
         local_tz = pytz.timezone(event.date_tz or 'UTC')
         days_tracks = collections.defaultdict(lambda: [])
         for track in event.track_ids.sorted(lambda track: (track.date or '', bool(track.location_id))):
@@ -93,6 +94,7 @@ class WebsiteEventTrackController(http.Controller):
         '''/event/<model("event.event"):event>/track/tag/<model("event.track.tag"):tag>'''
     ], type='http', auth="public", website=True, sitemap=False)
     def event_tracks(self, event, tag=None, **post):
+        event = event.with_context(tz=event.date_tz or 'UTC')
         searches = {}
         if tag:
             searches.update(tag=tag.id)
diff --git a/addons/website_event_track/views/event_track_templates.xml b/addons/website_event_track/views/event_track_templates.xml
index 9d5bee401ba..70ed14e680a 100644
--- a/addons/website_event_track/views/event_track_templates.xml
+++ b/addons/website_event_track/views/event_track_templates.xml
@@ -255,7 +255,9 @@
                         </div>
                         <div class="panel-body">
                             <b>Date</b><br/>
-                            <span t-field="track.date" t-options='{"hide_seconds":"True"}'/><br/>
+                            <span t-field="track.date" t-options='{"hide_seconds":"True"}'/>
+                            <t t-if="event.date_tz">(<span t-field="event.date_tz"/>)</t>
+                            <br/>
                             <b>Duration</b><br/>
                             <span t-field="track.duration" t-options='{"widget": "duration", "unit": "hour", "round": "minute"}'/><br/>
                             <b>Location</b><br/>
diff --git a/doc/cla/individual/sergeiruzkiicode.md b/doc/cla/individual/sergeiruzkiicode.md
new file mode 100644
index 00000000000..44af0359a97
--- /dev/null
+++ b/doc/cla/individual/sergeiruzkiicode.md
@@ -0,0 +1,11 @@
+Belarus, 2017-01-17
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Sergei Ruzki sergei.ruzki@icode.by https://github.com/sergeiruzkiicode
diff --git a/odoo/addons/base/res/res_country_data.xml b/odoo/addons/base/res/res_country_data.xml
index 819082fb27d..008f8b7e995 100644
--- a/odoo/addons/base/res/res_country_data.xml
+++ b/odoo/addons/base/res/res_country_data.xml
@@ -254,8 +254,8 @@
             <field name="name">Belarus</field>
             <field name="code">by</field>
             <field file="base/static/img/country_flags/by.png" name="image" type="base64" />
-            <field name="currency_id" ref="BYR" />
-            <field eval="0" name="phone_code" />
+            <field name="currency_id" ref="BYN" />
+            <field eval="375" name="phone_code" />
         </record>
         <record id="bz" model="res.country">
             <field name="name">Belize</field>
diff --git a/odoo/addons/base/res/res_currency_data.xml b/odoo/addons/base/res/res_currency_data.xml
index f286190872d..2d32fedb9c5 100644
--- a/odoo/addons/base/res/res_currency_data.xml
+++ b/odoo/addons/base/res/res_currency_data.xml
@@ -516,10 +516,19 @@
             <field name="symbol">BR</field>
             <field name="rounding">0.01</field>
             <field name="active" eval="False"/>
-            <field name="currency_unit_label">Ruble</field>
+            <field name="currency_unit_label">Ruble BYR</field>
             <field name="currency_subunit_label">Kapeyka</field>
         </record>
 
+        <record id="BYN" model="res.currency">
+            <field name="name">BYN</field>
+            <field name="symbol">Br</field>
+            <field name="rounding">0.01</field>
+            <field name="active" eval="False"/>
+            <field name="currency_unit_label">Rubles</field>
+            <field name="currency_subunit_label">Kopeks</field>            
+        </record>
+
         <record id="BZD" model="res.currency">
             <field name="name">BZD</field>
             <field name="symbol">BZ$</field>
diff --git a/odoo/addons/base/res/res_currency_demo.xml b/odoo/addons/base/res/res_currency_demo.xml
index 8ca63297a3d..220e7849668 100644
--- a/odoo/addons/base/res/res_currency_demo.xml
+++ b/odoo/addons/base/res/res_currency_demo.xml
@@ -349,6 +349,12 @@
             <field name="rate">10228.19</field>
         </record>
 
+        <record forcecreate="0" id="rateBYN" model="res.currency.rate">
+            <field name="currency_id" ref="BYN" />
+            <field name="name">2016-07-01</field>
+            <field name="rate">2.23151</field>
+        </record>
+
         <record forcecreate="0" id="rateBZD" model="res.currency.rate">
             <field name="currency_id" ref="BZD" />
             <field name="name">2010-01-01</field>
diff --git a/odoo/addons/base/res/res_users.py b/odoo/addons/base/res/res_users.py
index 53a3438b21a..2915d9a0086 100644
--- a/odoo/addons/base/res/res_users.py
+++ b/odoo/addons/base/res/res_users.py
@@ -15,6 +15,7 @@ from odoo.exceptions import AccessDenied, AccessError, UserError, ValidationErro
 from odoo.osv import expression
 from odoo.service.db import check_super
 from odoo.tools import partition, pycompat
+from odoo.http import root
 
 _logger = logging.getLogger(__name__)
 
@@ -372,6 +373,8 @@ class Users(models.Model):
         if any(key.startswith('context_') or key in ('lang', 'tz') for key in values):
             self.context_get.clear_cache(self)
         if any(key in values for key in ['active'] + USER_PRIVATE_FIELDS):
+            # force deletion of all sessions for these users
+            root.session_store.delete_sessions_for_uids(self.ids)
             db = self._cr.dbname
             for id in self.ids:
                 self.__uid_cache[db].pop(id, None)
@@ -385,7 +388,10 @@ class Users(models.Model):
         db = self._cr.dbname
         for id in self.ids:
             self.__uid_cache[db].pop(id, None)
-        return super(Users, self).unlink()
+        res = super(Users, self).unlink()
+        # force deletion of all sessions for these users
+        root.session_store.delete_sessions_for_uids(self.ids)
+        return res
 
     @api.model
     def name_search(self, name='', args=None, operator='ilike', limit=100):
diff --git a/odoo/http.py b/odoo/http.py
index 7524595406a..eae6b69a76a 100644
--- a/odoo/http.py
+++ b/odoo/http.py
@@ -1030,7 +1030,6 @@ class OpenERPSession(werkzeug.contrib.sessions.Session):
         self.db = db
         self.uid = uid
         self.login = login
-        self.password = password
         request.uid = uid
         request.disable_db = False
 
@@ -1045,7 +1044,6 @@ class OpenERPSession(werkzeug.contrib.sessions.Session):
         """
         if not self.db or not self.uid:
             raise SessionExpiredException("Session expired")
-        security.check(self.db, self.uid, self.password)
 
     def logout(self, keep_db=False):
         for k in list(self):
@@ -1058,7 +1056,6 @@ class OpenERPSession(werkzeug.contrib.sessions.Session):
         self.setdefault("db", None)
         self.setdefault("uid", None)
         self.setdefault("login", None)
-        self.setdefault("password", None)
         self.setdefault("context", {})
 
     def get_context(self):
@@ -1271,6 +1268,17 @@ class DisableCacheMiddleware(object):
             start_response(status, new_headers)
         return self.app(environ, start_wrapped)
 
+class OdooSessionStore(werkzeug.contrib.sessions.FilesystemSessionStore):
+    def delete_sessions_for_uids(self, uids):
+        # pretty expensive on large session stores, especially non-local!
+        uids = set(uids)
+        _logger.info('Deleting all HTTP sessions for UIDs %s', uids)
+        for sid in self.list():
+            s = self.get(sid)
+            if s.uid and s.uid in uids:
+                _logger.debug('Deleting session %s', sid)
+                self.delete(s)
+
 class Root(object):
     """Root WSGI application for the OpenERP Web Client.
     """
@@ -1282,7 +1290,7 @@ class Root(object):
         # Setup http sessions
         path = odoo.tools.config.session_dir
         _logger.debug('HTTP sessions stored in: %s', path)
-        return werkzeug.contrib.sessions.FilesystemSessionStore(path, session_class=OpenERPSession)
+        return OdooSessionStore(path, session_class=OpenERPSession)
 
     @lazy_property
     def nodb_routing_map(self):