New FB login process using Guard
New FB login process using Guard

(cherry picked from commit d4523db43ce77df6c329f3f9bcd5b955bbff55c0)

WellCommerce/FormBundle,WellCommerce/SearchBundle,diversantvlz/WellCommerce,diversantvlz/WellCommerce,WellCommerce/AppBundle,WellCommerce/CoreBundle,WellCommerce/CatalogBundle,WellCommerce/AppBundle,WellCommerce/AppBundle,WellCommerce/CmsBundle,WellCommerce/OAuthBundle,WellCommerce/WishlistBundle,WellCommerce/wellcommerce-default-theme,WellCommerce/DataGridBundle,WellCommerce/CouponBundle,WellCommerce/wellcommerce-default-theme,WellCommerce/CoreBundle,WellCommerce/ReviewBundle,WellCommerce/CmsBundle,WellCommerce/WellCommerce,WellCommerce/OrderBundle,WellCommerce/FormBundle,WellCommerce/OrderBundle,WellCommerce/DataSetBundle,WellCommerce/RoutingBundle,WellCommerce/CouponBundle,WellCommerce/CatalogBundle,WellCommerce/ReviewBundle,WellCommerce/WellCommerce,WellCommerce/DataGridBundle,diversantvlz/WellCommerce,WellCommerce/WellCommerce