Merge branch '1.11' into 1.12

* 1.11:
  Remove usage of Symfony\Component\HttpKernel\DependencyInjection\Extension

Author: GSadee

src/Bundle/DependencyInjection/PagerfantaExtension.php

@@ -14,8 +14,8 @@
 namespace Sylius\Bundle\ResourceBundle\DependencyInjection;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 
 /**
  * Container extension to bridge the configuration from WhiteOctoberPagerfantaBundle to BabDevPagerfantaBundle