diff --git a/addons/account_accountant/models/res_config.py b/addons/account_accountant/models/res_config.py
index 3059bbd2d93..d8cc8562f8e 100644
--- a/addons/account_accountant/models/res_config.py
+++ b/addons/account_accountant/models/res_config.py
@@ -7,7 +7,8 @@ from odoo import fields, models
 class AccountConfigSettings(models.TransientModel):
     _inherit = 'account.config.settings'
 
-    fiscalyear_last_day = fields.Integer(related='company_id.fiscalyear_last_day', default=31)
+    fiscalyear_last_day = fields.Integer(related='company_id.fiscalyear_last_day',
+                                         default=lambda self: self._default_fiscalyear_last_day())
     fiscalyear_last_month = fields.Selection([
         (1, 'January'),
         (2, 'February'),
@@ -20,8 +21,10 @@ class AccountConfigSettings(models.TransientModel):
         (9, 'September'),
         (10, 'October'),
         (11, 'November'),
-        (12, 'December')
-        ], related='company_id.fiscalyear_last_month', default=12)
+        (12, 'December')],
+        related='company_id.fiscalyear_last_month',
+        default=lambda self: self._default_fiscalyear_last_month())
+
     period_lock_date = fields.Date(related='company_id.period_lock_date')
     fiscalyear_lock_date = fields.Date(related='company_id.fiscalyear_lock_date')
     use_anglo_saxon = fields.Boolean(string='Anglo-Saxon Accounting', related='company_id.anglo_saxon_accounting')
@@ -33,3 +36,9 @@ class AccountConfigSettings(models.TransientModel):
         'account.journal',
         related='company_id.tax_cash_basis_journal_id',
         string="Tax Cash Basis Journal",)
+
+    def _default_fiscalyear_last_day(self):
+        return self.env.user.company_id.fiscalyear_last_day or 31
+
+    def _default_fiscalyear_last_month(self):
+        return self.env.user.company_id.fiscalyear_last_month or 12
diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index 41113553b36..8f28ec09a82 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -339,15 +339,22 @@ 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 1e6f9b4e619..d9759520b4c 100644
--- a/addons/point_of_sale/security/ir.model.access.csv
+++ b/addons/point_of_sale/security/ir.model.access.csv
@@ -27,7 +27,7 @@ access_product_category_manager,product.category manager,product.model_product_c
 access_product_pricelist_manager,product.pricelist manager,product.model_product_pricelist,group_pos_manager,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/stock/models/stock_inventory.py b/addons/stock/models/stock_inventory.py
index c6bfc0549dd..81d273da48e 100644
--- a/addons/stock/models/stock_inventory.py
+++ b/addons/stock/models/stock_inventory.py
@@ -454,9 +454,9 @@ class InventoryLine(models.Model):
                 continue
             diff = line.theoretical_qty - line.product_qty
             if diff < 0:  # found more than expected
-                vals = self._get_move_values(abs(diff), line.product_id.property_stock_inventory.id, line.location_id.id)
+                vals = line._get_move_values(abs(diff), line.product_id.property_stock_inventory.id, line.location_id.id)
             else:
-                vals = self._get_move_values(abs(diff), line.location_id.id, line.product_id.property_stock_inventory.id)
+                vals = line._get_move_values(abs(diff), line.location_id.id, line.product_id.property_stock_inventory.id)
             move = moves.create(vals)
 
             if diff > 0:
diff --git a/addons/website_event_track/controllers/main.py b/addons/website_event_track/controllers/main.py
index e4256f30452..52efc7b38d2 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", "[('show_tracks','=',1)]"):event>/agenda'''], type='http', auth="public", website=True)
     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, bool(track.location_id))):
@@ -99,6 +100,7 @@ class WebsiteEventTrackController(http.Controller):
         '''/event/<model("event.event", "[('show_tracks','=',1)]"):event>/track/tag/<model("event.track.tag"):tag>'''
         ], type='http', auth="public", website=True)
     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/website_event_track_templates.xml b/addons/website_event_track/views/website_event_track_templates.xml
index 2e289cc92c7..6220b541850 100644
--- a/addons/website_event_track/views/website_event_track_templates.xml
+++ b/addons/website_event_track/views/website_event_track_templates.xml
@@ -250,7 +250,9 @@
                         </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 19748318218..c56247a98cb 100644
--- a/odoo/addons/base/res/res_country_data.xml
+++ b/odoo/addons/base/res/res_country_data.xml
@@ -258,8 +258,8 @@
             <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 8b108fa978d..8746f4d0b1b 100644
--- a/odoo/addons/base/res/res_currency_data.xml
+++ b/odoo/addons/base/res/res_currency_data.xml
@@ -408,6 +408,13 @@
             <field name="active" eval="False"/>
         </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"/>
+        </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 a6e406e783d..ba316d0a7db 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 596620a9e52..657bebf58a7 100644
--- a/odoo/addons/base/res/res_users.py
+++ b/odoo/addons/base/res/res_users.py
@@ -14,6 +14,7 @@ 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
+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 56b1f8e6930..46d744f2f36 100644
--- a/odoo/http.py
+++ b/odoo/http.py
@@ -1040,7 +1040,6 @@ 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
 
@@ -1055,7 +1054,6 @@ 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 self.keys():
@@ -1068,7 +1066,6 @@ 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):
@@ -1281,6 +1278,17 @@ 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.
     """
@@ -1292,7 +1300,7 @@ 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):