diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index 1f92ac3e2be..701c00c3bd0 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -1077,6 +1077,7 @@ 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:
@@ -1465,6 +1466,7 @@ 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'])
@@ -1473,7 +1475,7 @@ class AccountPaymentTerm(models.Model):
         prec = currency.decimal_places
         for line in self.line_ids:
             if line.value == 'fixed':
-                amt = round(line.value_amount, prec)
+                amt = sign * round(line.value_amount, prec)
             elif line.value == 'percent':
                 amt = round(value * (line.value_amount / 100.0), prec)
             elif line.value == 'balance':
diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index f4d5b75cd86..86d3d244ea6 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -822,7 +822,7 @@ 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/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index cbce0e72d6e..7fc3a6cff49 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 <= 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 <= 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_sale/static/src/js/website_sale_validate.js b/addons/website_sale/static/src/js/website_sale_validate.js
index 614e8901484..3bef4bc4f9a 100644
--- a/addons/website_sale/static/src/js/website_sale_validate.js
+++ b/addons/website_sale/static/src/js/website_sale_validate.js
@@ -21,7 +21,10 @@ $(document).ready(function () {
                     setTimeout(function () { payment_transaction_poll_status(); }, Math.ceil(_poll_nbr / 3) * 1000);
                 }
                 else {
-                    result.message = "<i class='fa fa-warning' />";
+                    var $message = $(result.message);
+                    $message.find('span:first').prepend($(
+                        "<i title='We are waiting the confirmation of the bank or payment provider' class='fa fa-warning' style='margin-right:10px;'>"));
+                    result.message = $message.html();
                 }
             }
             $('div.oe_website_sale_tx_status').html(result.message);