diff --git a/.gitignore b/.gitignore
index 4b38dc02ac7..4c3277c5215 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ _build/
 
 # dotfiles
 .*
+!.gitignore
 # compiled python files
 *.py[co]
 # setup.py egg_info
@@ -12,7 +13,8 @@ _build/
 # hg stuff
 *.orig
 status
-
+# odoo filestore
+openerp/filestore
 # generated for windows installer?
 install/win32/*.bat
 install/win32/meta.py
diff --git a/addons/delivery/sale.py b/addons/delivery/sale.py
index c5d032ca8a8..93072b3d02d 100644
--- a/addons/delivery/sale.py
+++ b/addons/delivery/sale.py
@@ -74,7 +74,7 @@ class sale_order(osv.Model):
             if not grid_id:
                 raise osv.except_osv(_('No Grid Available!'), _('No grid matching for this carrier!'))
 
-            if order.state != 'draft':
+            if order.state not in ('draft', 'sent'):
                 raise osv.except_osv(_('Order not in Draft State!'), _('The order state have to be draft to add delivery lines.'))
 
             grid = grid_obj.browse(cr, uid, grid_id, context=context)
diff --git a/addons/mail/mail_thread.py b/addons/mail/mail_thread.py
index 9acfb07c13b..cc74f25dcde 100644
--- a/addons/mail/mail_thread.py
+++ b/addons/mail/mail_thread.py
@@ -1164,7 +1164,14 @@ class mail_thread(osv.AbstractModel):
         body = u''
         if save_original:
             attachments.append(('original_email.eml', message.as_string()))
-        if not message.is_multipart() or 'text/' in message.get('content-type', ''):
+
+        # Be careful, content-type may contain tricky content like in the
+        # following example so test the MIME type with startswith()
+        #
+        # Content-Type: multipart/related;
+        #   boundary="_004_3f1e4da175f349248b8d43cdeb9866f1AMSPR06MB343eurprd06pro_";
+        #   type="text/html"
+        if not message.is_multipart() or message.get('content-type', '').startswith("text/"):
             encoding = message.get_content_charset()
             body = message.get_payload(decode=True)
             body = tools.ustr(body, encoding, errors='replace')
@@ -1893,4 +1900,4 @@ class mail_thread(osv.AbstractModel):
         message_obj.write(cr, uid, msg_ids_comment, {"res_id" : new_res_id, "model" : new_model}, context=context)
         message_obj.write(cr, uid, msg_ids_not_comment, {"res_id" : new_res_id, "model" : new_model, "subtype_id" : None}, context=context)
         
-        return True
\ No newline at end of file
+        return True
diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index fa074bb6bb2..7c294942454 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -498,6 +498,8 @@ class purchase_order(osv.osv):
         if not len(ids):
             return False
         self.write(cr, uid, ids, {'state':'draft','shipped':0})
+        for purchase in self.browse(cr, uid, ids, context=context):
+            self.pool['purchase.order.line'].write(cr, uid, [l.id for l in  purchase.order_line], {'state': 'draft'})
         for p_id in ids:
             # Deleting the existing instance of workflow for PO
             self.delete_workflow(cr, uid, [p_id]) # TODO is it necessary to interleave the calls?
@@ -593,6 +595,8 @@ class purchase_order(osv.osv):
                         _('You must first cancel all receptions related to this purchase order.'))
             self.pool.get('account.invoice') \
                 .signal_invoice_cancel(cr, uid, map(attrgetter('id'), purchase.invoice_ids))
+            self.pool['purchase.order.line'].write(cr, uid, [l.id for l in  purchase.order_line],
+                    {'state': 'cancel'})
         self.write(cr,uid,ids,{'state':'cancel'})
 
         self.signal_purchase_cancel(cr, uid, ids)
@@ -903,6 +907,8 @@ class purchase_order_line(osv.osv):
     def unlink(self, cr, uid, ids, context=None):
         procurement_ids_to_cancel = []
         for line in self.browse(cr, uid, ids, context=context):
+            if line.state not in ['draft', 'cancel']:
+                raise osv.except_osv(_('Invalid Action!'), _('Cannot delete a purchase order line which is in state \'%s\'.') %(line.state,))
             if line.move_dest_id:
                 procurement_ids_to_cancel.extend(procurement.id for procurement in line.move_dest_id.procurements)
         if procurement_ids_to_cancel:
diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 782030a9494..cae2a999def 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -510,14 +510,18 @@ class sale_order(osv.osv):
             if grouped:
                 res = self._make_invoice(cr, uid, val[0][0], reduce(lambda x, y: x + y, [l for o, l in val], []), context=context)
                 invoice_ref = ''
+                origin_ref = ''
                 for o, l in val:
-                    invoice_ref += o.name + '|'
+                    invoice_ref += (o.client_order_ref or o.name) + '|'
+                    origin_ref += (o.origin or o.name) + '|'
                     self.write(cr, uid, [o.id], {'state': 'progress'})
                     cr.execute('insert into sale_order_invoice_rel (order_id,invoice_id) values (%s,%s)', (o.id, res))
                 #remove last '|' in invoice_ref
-                if len(invoice_ref) >= 1: 
+                if len(invoice_ref) >= 1:
                     invoice_ref = invoice_ref[:-1]
-                invoice.write(cr, uid, [res], {'origin': invoice_ref, 'name': invoice_ref})
+                if len(origin_ref) >= 1:
+                    origin_ref = origin_ref[:-1]
+                invoice.write(cr, uid, [res], {'origin': origin_ref, 'name': invoice_ref})
             else:
                 for order, il in val:
                     res = self._make_invoice(cr, uid, order, il, context=context)
diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index efb8582e9cb..c59fbc31da1 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -2395,7 +2395,7 @@ class stock_move(osv.osv):
                 picking_ids.append(move.picking_id.id)
             if move.move_dest_id.id and (move.state != 'done'):
                 # Downstream move should only be triggered if this move is the last pending upstream move
-                other_upstream_move_ids = self.search(cr, uid, [('id','!=',move.id),('state','not in',['done','cancel']),
+                other_upstream_move_ids = self.search(cr, uid, [('id','not in',move_ids),('state','not in',['done','cancel']),
                                             ('move_dest_id','=',move.move_dest_id.id)], context=context)
                 if not other_upstream_move_ids:
                     self.write(cr, uid, [move.id], {'move_history_ids': [(4, move.move_dest_id.id)]})
diff --git a/openerp/addons/base/security/ir.model.access.csv b/openerp/addons/base/security/ir.model.access.csv
index 6113f17c5aa..c70733b5140 100644
--- a/openerp/addons/base/security/ir.model.access.csv
+++ b/openerp/addons/base/security/ir.model.access.csv
@@ -108,6 +108,7 @@
 "access_multi_company_default manager","multi_company_default Manager","model_multi_company_default","group_erp_manager",1,1,1,1
 "access_ir_filter all","ir_filters all","model_ir_filters",,1,1,1,1
 "access_ir_config_parameter","ir_config_parameter","model_ir_config_parameter",,1,0,0,0
+"access_ir_config_parameter_system","ir_config_parameter_system","model_ir_config_parameter","group_system",1,1,1,1
 "access_ir_mail_server","ir_mail_server","model_ir_mail_server","group_system",1,1,1,1
 "access_ir_actions_client","ir_actions_client all","model_ir_actions_client",,1,0,0,0
 "access_ir_needaction_mixin","ir_needaction_mixin","model_ir_needaction_mixin",,1,1,1,1