Make skeletons valid for @Symfony PHP-CS-Fixer ruleset (#4478)

Resources/skeleton/Admin.php.twig

@@ -38,7 +38,7 @@ class {{ classBasename }} extends AbstractAdmin
                     'show' => array(),
                     'edit' => array(),
                     'delete' => array(),
-                )
+                ),
             ))
         ;
     }

Resources/skeleton/AdminController.php.twig

@@ -6,5 +6,4 @@ use Sonata\AdminBundle\Controller\CRUDController;
 
 class {{ classBasename }} extends CRUDController
 {
-
 }

Tests/Fixtures/Admin/ModelAdmin.php

@@ -36,7 +36,7 @@ class ModelAdmin extends AbstractAdmin
                     'show' => array(),
                     'edit' => array(),
                     'delete' => array(),
-                )
+                ),
             ))
         ;
     }

Tests/Fixtures/Controller/ModelAdminController.php

@@ -6,5 +6,4 @@ use Sonata\AdminBundle\Controller\CRUDController;
 
 class ModelAdminController extends CRUDController
 {
-
 }