diff --git a/addons/base_calendar/base_calendar.py b/addons/base_calendar/base_calendar.py
index 297fc68be58..ab0d8d324b4 100644
--- a/addons/base_calendar/base_calendar.py
+++ b/addons/base_calendar/base_calendar.py
@@ -142,7 +142,7 @@ html_invitation = """
         <td width="100%%">You are invited for <i>%(company)s</i> Event.</td>
     </tr>
     <tr>
-        <td width="100%%">Below are the details of event:</td>
+        <td width="100%%">Below are the details of event. Hours and dates expressed in %(timezone)s time.</td>
     </tr>
 </table>
 
@@ -427,12 +427,9 @@ property or property parameter."),
         res = None
         def ics_datetime(idate, short=False):
             if idate:
-                if short or len(idate)<=10:
-                    return date.fromtimestamp(time.mktime(time.strptime(idate, '%Y-%m-%d')))
-                else:
-                    return datetime.strptime(idate, '%Y-%m-%d %H:%M:%S')
-            else:
-                return False
+                #returns the datetime as UTC, because it is stored as it in the database
+                return datetime.strptime(idate, '%Y-%m-%d %H:%M:%S').replace(tzinfo=pytz.timezone('UTC'))
+            return False
         try:
             # FIXME: why isn't this in CalDAV?
             import vobject
@@ -516,9 +513,17 @@ property or property parameter."),
                     att_infos.append(((att2.user_id and att2.user_id.name) or \
                                  (att2.partner_id and att2.partner_id.name) or \
                                     att2.email) + ' - Status: ' + att2.state.title())
+                #dates and times are gonna be expressed in `tz` time (local timezone of the `uid`)
+                tz = context.get('tz', pytz.timezone('UTC'))
+                #res_obj.date and res_obj.date_deadline are in UTC in database so we use context_timestamp() to transform them in the `tz` timezone
+                date_start = fields.datetime.context_timestamp(cr, uid, datetime.strptime(res_obj.date, tools.DEFAULT_SERVER_DATETIME_FORMAT), context=context)
+                date_stop = False
+                if res_obj.date_deadline:
+                    date_stop = fields.datetime.context_timestamp(cr, uid, datetime.strptime(res_obj.date_deadline, tools.DEFAULT_SERVER_DATETIME_FORMAT), context=context)
                 body_vals = {'name': res_obj.name,
-                            'start_date': res_obj.date,
-                            'end_date': res_obj.date_deadline or False,
+                            'start_date': date_start,
+                            'end_date': date_stop,
+                            'timezone': tz,
                             'description': res_obj.description or '-',
                             'location': res_obj.location or '-',
                             'attendees': '<br>'.join(att_infos),
@@ -623,7 +628,7 @@ property or property parameter."),
             email = filter(lambda x:x.__contains__('@'), cnval)
             vals['email'] = email and email[0] or ''
             vals['cn'] = vals.get("cn")
-        res = super(calendar_attendee, self).create(cr, uid, vals, context)
+        res = super(calendar_attendee, self).create(cr, uid, vals, context=context)
         return res
 
 calendar_attendee()
@@ -842,7 +847,7 @@ class calendar_alarm(osv.osv):
         current_datetime = datetime.now()
         alarm_ids = self.search(cr, uid, [('state', '!=', 'done')], context=context)
 
-        mail_to = []
+        mail_to = ""
 
         for alarm in self.browse(cr, uid, alarm_ids, context=context):
             next_trigger_date = None
@@ -891,9 +896,9 @@ From:
 </pre>
 """  % (alarm.name, alarm.trigger_date, alarm.description, \
                         alarm.user_id.name, alarm.user_id.signature)
-                    mail_to = [alarm.user_id.email]
+                    mail_to = alarm.user_id.email
                     for att in alarm.attendee_ids:
-                        mail_to.append(att.user_id.email)
+                        mail_to = mail_to + " " + att.user_id.email
                     if mail_to:
                         vals = {
                             'state': 'outgoing',
@@ -1117,7 +1122,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
             for att in event.attendee_ids:
                 attendees[att.partner_id.id] = True
             new_attendees = []
-            mail_to = []
+            mail_to = ""
             for partner in event.partner_ids:
                 if partner.id in attendees:
                     continue
@@ -1128,7 +1133,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
                     'email': partner.email
                 }, context=context)
                 if partner.email:
-                    mail_to.append(partner.email)
+                    mail_to = mail_to + " " + partner.email
                 self.write(cr, uid, [event.id], {
                     'attendee_ids': [(4, att_id)]
                 }, context=context)
@@ -1136,7 +1141,7 @@ rule or repeating pattern of time to exclude from the recurring rule."),
 
             if mail_to and current_user.email:
                 att_obj._send_mail(cr, uid, new_attendees, mail_to,
-                    email_from = current_user.email)
+                    email_from = current_user.email, context=context)
         return True
 
     def default_organizer(self, cr, uid, context=None):
diff --git a/addons/base_calendar/crm_meeting_view.xml b/addons/base_calendar/crm_meeting_view.xml
index 2efc76997cc..c2adc01cd54 100644
--- a/addons/base_calendar/crm_meeting_view.xml
+++ b/addons/base_calendar/crm_meeting_view.xml
@@ -181,10 +181,6 @@
 
                     </notebook>
                 </sheet>
-                <div class="oe_chatter">
-                    <field name="message_follower_ids" widget="mail_followers"/>
-                    <field name="message_ids" widget="mail_thread" placeholder="Share a message..."/>
-                </div>
             </form>
         </field>
     </record>
diff --git a/addons/project/project.py b/addons/project/project.py
index 0534ad9a264..a0acb2ac793 100644
--- a/addons/project/project.py
+++ b/addons/project/project.py
@@ -1089,6 +1089,10 @@ class task(base_stage, osv.osv):
         return True
 
     def create(self, cr, uid, vals, context=None):
+        if not context.get('default_project_id', False) and vals.get('project_id', False):
+            ctx = context.copy()
+            ctx['default_project_id'] = vals['project_id']
+            vals['stage_id'] = self._get_default_stage_id(cr, uid, context=ctx)
         task_id = super(task, self).create(cr, uid, vals, context=context)
         self._store_history(cr, uid, [task_id], context=context)
         return task_id
diff --git a/addons/project_issue/project_issue.py b/addons/project_issue/project_issue.py
index fcc6b3d0265..f4d8e828945 100644
--- a/addons/project_issue/project_issue.py
+++ b/addons/project_issue/project_issue.py
@@ -64,6 +64,13 @@ class project_issue(base_stage, osv.osv):
         },
     }
 
+    def create(self, cr, uid, vals, context=None):
+        if not context.get('default_project_id', False) and vals.get('project_id', False):
+            ctx = context.copy()
+            ctx['default_project_id'] = vals['project_id']
+            vals['stage_id'] = self._get_default_stage_id(cr, uid, context=ctx)
+        return super(project_issue, self).create(cr, uid, vals, context=context)
+
     def _get_default_project_id(self, cr, uid, context=None):
         """ Gives default project by checking if present in the context """
         return self._resolve_project_id_from_context(cr, uid, context=context)