[MOV] website_sale: move configuration files in appropriate directories

addons/website_sale/__init__.py

 import controllers
 import models
-import res_config

addons/website_sale/__openerp__.py

@@ -21,7 +21,7 @@ Odoo E-Commerce
         'views/sale_order.xml',
         'views/snippets.xml',
         'views/report_shop_saleorder.xml',
-        'res_config_view.xml',
+        'views/res_config_view.xml',
         'security/ir.model.access.csv',
         'security/website_sale.xml',
     ],

addons/website_sale/models/__init__.py

@@ -4,3 +4,4 @@ import product
 import sale_order
 import payment
 import crm_team
+import res_config