diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index 9b9973730a0..5a7632a0296 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -777,6 +777,7 @@ class account_invoice(models.Model):
                     line2[tmp]['debit'] = (am > 0) and am or 0.0
                     line2[tmp]['credit'] = (am < 0) and -am or 0.0
                     line2[tmp]['tax_amount'] += l['tax_amount']
+                    line2[tmp]['amount_currency'] += l['amount_currency']
                     line2[tmp]['analytic_lines'] += l['analytic_lines']
                 else:
                     line2[tmp] = l
diff --git a/addons/auth_signup/res_users.py b/addons/auth_signup/res_users.py
index 82889501a8e..76633834ec2 100644
--- a/addons/auth_signup/res_users.py
+++ b/addons/auth_signup/res_users.py
@@ -166,7 +166,7 @@ class res_partner(osv.Model):
         if partner.user_ids:
             res['login'] = partner.user_ids[0].login
         else:
-            res['email'] = partner.email or ''
+            res['login'] = res['email'] = partner.email or ''
         return res
 
 class res_users(osv.Model):
diff --git a/addons/hw_blackbox_be/controllers/main.py b/addons/hw_blackbox_be/controllers/main.py
index fbc7664cbc0..8db84fbbffa 100644
--- a/addons/hw_blackbox_be/controllers/main.py
+++ b/addons/hw_blackbox_be/controllers/main.py
@@ -37,7 +37,7 @@ class Blackbox(Thread):
     # request. The first device to give an answer that makes sense
     # wins.
     def _find_device_path_by_probing(self):
-        path = "/dev/serial/by-id/"
+        path = "/dev/serial/by-path/"
         probe_message = self._wrap_low_level_message_around("S000")
 
         try:
diff --git a/addons/hw_scale/controllers/main.py b/addons/hw_scale/controllers/main.py
index 2f9e0271dd5..2437b7829ea 100644
--- a/addons/hw_scale/controllers/main.py
+++ b/addons/hw_scale/controllers/main.py
@@ -29,10 +29,12 @@ class Scale(Thread):
         self.lock = Lock()
         self.scalelock = Lock()
         self.status = {'status':'connecting', 'messages':[]}
-        self.input_dir = '/dev/serial/by-id/'
+        self.input_dir = '/dev/serial/by-path/'
         self.weight = 0
         self.weight_info = 'ok'
         self.device = None
+        self.probed_device_paths = []
+        self.path_to_scale = ''
 
     def lockedstart(self):
         with self.lock:
@@ -61,27 +63,55 @@ class Scale(Thread):
             elif status == 'disconnected' and message:
                 _logger.info('Disconnected Scale: %s', message)
 
+    def _get_raw_response(self, connection):
+        response = ""
+        while True:
+            byte = connection.read(1)
+
+            if byte:
+                response += byte
+            else:
+                return response
+
     def get_device(self):
         try:
             if not os.path.exists(self.input_dir):
                 self.set_status('disconnected','Scale Not Found')
                 return None
             devices = [ device for device in listdir(self.input_dir)]
-            scales  = [ device for device in devices if ('mettler' in device.lower()) or ('toledo' in device.lower()) ]
-            if len(scales) > 0:
-                print join(self.input_dir,scales[0])
-                self.set_status('connected','Connected to '+scales[0])
-                return serial.Serial(join(self.input_dir,scales[0]), 
-                        baudrate = 9600, 
-                        bytesize = serial.SEVENBITS, 
-                        stopbits = serial.STOPBITS_ONE, 
-                        parity   = serial.PARITY_EVEN, 
-                        #xonxoff  = serial.XON,
-                        timeout  = 0.02, 
-                        writeTimeout= 0.02)
-            else:
-                self.set_status('disconnected','Scale Not Found')
-                return None
+
+            if len(devices) > 0:
+                for device in devices:
+                    path = self.input_dir + device
+
+                    # don't keep probing devices that are not a scale,
+                    # only keep probing if in the past the device was
+                    # confirmed to be a scale
+                    if path not in self.probed_device_paths or path == self.path_to_scale:
+                        _logger.debug('Probing: ' + path)
+                        connection = serial.Serial(path,
+                                                   baudrate = 9600,
+                                                   bytesize = serial.SEVENBITS,
+                                                   stopbits = serial.STOPBITS_ONE,
+                                                   parity   = serial.PARITY_EVEN,
+                                                   timeout  = 1,
+                                                   writeTimeout = 1)
+
+                        connection.write("W")
+                        self.probed_device_paths.append(path)
+
+                        if self._get_raw_response(connection):
+                            _logger.debug(path + ' is scale')
+                            self.path_to_scale = path
+                            self.set_status('connected','Connected to '+device)
+                            connection.timeout = 0.02
+                            connection.writeTimeout = 0.02
+                            return connection
+                    else:
+                        _logger.debug('Already probed: ' + path)
+
+            self.set_status('disconnected','Scale Not Found')
+            return None
         except Exception as e:
             self.set_status('error',str(e))
             return None
diff --git a/addons/report/controllers/main.py b/addons/report/controllers/main.py
index 1fa909fb92b..4dd27d9e8e2 100644
--- a/addons/report/controllers/main.py
+++ b/addons/report/controllers/main.py
@@ -85,12 +85,7 @@ class ReportController(Controller):
         at the bottom of the output image
         """
         try:
-            width, height, humanreadable = int(width), int(height), bool(humanreadable)
-            barcode = createBarcodeDrawing(
-                type, value=value, format='png', width=width, height=height,
-                humanReadable = humanreadable
-            )
-            barcode = barcode.asString('png')
+            barcode = request.registry['report'].barcode(type, value, width=width, height=height, humanreadable=humanreadable)
         except (ValueError, AttributeError):
             raise exceptions.HTTPException(description='Cannot convert into barcode.')
 
diff --git a/addons/report/models/__init__.py b/addons/report/models/__init__.py
index d21f03e5bcb..4566e3a43d3 100644
--- a/addons/report/models/__init__.py
+++ b/addons/report/models/__init__.py
@@ -1,3 +1,4 @@
 import report
 import report_paperformat
 import abstract_report
+import ir_qweb
diff --git a/addons/report/models/ir_qweb.py b/addons/report/models/ir_qweb.py
new file mode 100644
index 00000000000..4802586de50
--- /dev/null
+++ b/addons/report/models/ir_qweb.py
@@ -0,0 +1,21 @@
+from reportlab.graphics.barcode import createBarcodeDrawing
+
+from openerp.osv import osv
+from openerp.addons.base.ir.ir_qweb import HTMLSafe
+
+
+class BarcodeConverter(osv.AbstractModel):
+    """ ``barcode`` widget rendering, inserts a data:uri-using image tag in the
+    document. May be overridden by e.g. the website module to generate links
+    instead.
+    """
+    _name = 'ir.qweb.field.barcode'
+    _inherit = 'ir.qweb.field'
+
+    def value_to_html(self, cr, uid, value, field, options=None, context=None):
+        barcode_type = options.get('type', 'Code128')
+        barcode = self.pool['report'].barcode(
+            barcode_type,
+            value,
+            **dict((key, value) for key, value in options.items() if key in ['width', 'height', 'humanreadable']))
+        return HTMLSafe('<img src="data:%s;base64,%s">' % ('png', barcode.encode('base64')))
diff --git a/addons/report/models/report.py b/addons/report/models/report.py
index 9bda6203d00..6256a882fc2 100644
--- a/addons/report/models/report.py
+++ b/addons/report/models/report.py
@@ -42,6 +42,7 @@ from contextlib import closing
 from distutils.version import LooseVersion
 from functools import partial
 from pyPdf import PdfFileWriter, PdfFileReader
+from reportlab.graphics.barcode import createBarcodeDrawing
 
 
 #--------------------------------------------------------------------------
@@ -570,3 +571,18 @@ class Report(osv.Model):
             stream.close()
 
         return merged_file_path
+
+    def barcode(self, barcode_type, value, width=600, height=100, humanreadable=0):
+        if barcode_type == 'UPCA' and len(value) in (11, 12, 13):
+            barcode_type = 'EAN13'
+            if len(value) in (11, 12):
+                value = '0%s' % value
+        try:
+            width, height, humanreadable = int(width), int(height), bool(humanreadable)
+            barcode = createBarcodeDrawing(
+                barcode_type, value=value, format='png', width=width, height=height,
+                humanReadable=humanreadable
+            )
+            return barcode.asString('png')
+        except (ValueError, AttributeError):
+            raise ValueError("Cannot convert into barcode.")
diff --git a/addons/stock/i18n/stock.pot b/addons/stock/i18n/stock.pot
index a271946b791..e4643d321ca 100644
--- a/addons/stock/i18n/stock.pot
+++ b/addons/stock/i18n/stock.pot
@@ -51,12 +51,6 @@ msgstr ""
 msgid " (reserved)"
 msgstr ""
 
-#. module: stock
-#: code:addons/stock/stock.py:2954
-#, python-format
-msgid "You cannot have two inventory adjustements in state 'in Progess' with the same product(%s), same location(%s), same package, same owner and same lot. Please first validate the first inventory adjustement with this product before creating another one."
-msgstr ""
-
 #. module: stock
 #: code:addons/stock/stock.py:3090
 #, python-format
diff --git a/addons/website_report/__init__.py b/addons/website_report/__init__.py
index a0526c7c636..6737fad41b6 100644
--- a/addons/website_report/__init__.py
+++ b/addons/website_report/__init__.py
@@ -1,2 +1,3 @@
 import controllers
 import report
+import ir_qweb
diff --git a/addons/website_report/ir_qweb.py b/addons/website_report/ir_qweb.py
new file mode 100644
index 00000000000..3123e13e254
--- /dev/null
+++ b/addons/website_report/ir_qweb.py
@@ -0,0 +1,9 @@
+from openerp.osv import orm
+
+
+class Barcode(orm.AbstractModel):
+    _name = 'website.qweb.field.barcode'
+    _inherit = ['website.qweb.field', 'ir.qweb.field.barcode']
+
+    def from_html(self, cr, uid, model, field, element, context=None):
+        return None