add a menu builder for user menu

Resources/config/routing.yml

@@ -79,10 +79,4 @@ login_check:
     path:    /login_check
 
 logout:
-    path:    /logout
-    options:
-        menus:
-            user:
-                order: 10
-                label: Logout
-                icon: power-off
+    path:    /logout

Resources/test/Fixtures/App/app/AppKernel.php

@@ -18,6 +18,7 @@ class AppKernel extends Kernel
             new Doctrine\Bundle\MigrationsBundle\DoctrineMigrationsBundle(),
             new Symfony\Bundle\MonologBundle\MonologBundle(),
             new Knp\Bundle\MenuBundle\KnpMenuBundle(),
+            new Symfony\Bundle\DebugBundle\DebugBundle()
         );
     }