[FIX] website_sale: order categories according to their sequence

bzr revid: dle@openerp.com-20140403112511-h4yi8jimf9hjucyl

addons/website_sale/controllers/main.py

@@ -275,6 +275,7 @@ class Ecommerce(http.Controller):
                 all_categories.add(parent)
                 parent = parent.parent_id
         categories = list(all_categories)
+        categories.sort(key=lambda x: x.sequence)
 
         values = {
             'products': products,