Merge branch '2.4' into 2.5

* 2.4:
  Update validators.eu.xlf
  fixed CS
  remove unused imports
  [Routing] simplify the XML schema file
  Unify null comparisons
  [EventDispatcher] don't count empty listeners
  [Process] Fix unit tests in sigchild environment
  [Process] fix signal handling in wait()
  [BrowserKit] refactor code and fix unquoted regex
  Fixed server HTTP_HOST port uri conversion
  [MonologBridge] fixed Console handler priorities
  Bring code into standard
  [Process] Add test to verify fix for issue #11421
  [Process] Fixes issue #11421
  [DependencyInjection] Pass a Scope instance instead of a scope name.

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php
	src/Symfony/Component/DependencyInjection/Tests/Dumper/GraphvizDumperTest.php
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php

Author: fabpot

Loader/PhpFileLoader.php

@@ -39,7 +39,7 @@ public function load($resource, $locale, $domain = 'messages')
             throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
         }
 
-        $messages = require($resource);
+        $messages = require $resource;
 
         $catalogue = parent::load($messages, $locale, $domain);
         $catalogue->addResource(new FileResource($resource));