Merge branch '2.3' into 2.4

* 2.3:
  fixed various inconsistencies
  reduced recursion when building DumperPrefixCollection
  renamed variables - making next change more readable
  removing dead code.
  [DomCrawler] Fixed filterXPath() chaining
  [DomCrawler] Fixed incorrect handling of image inputs

Conflicts:
	src/Symfony/Component/DomCrawler/Crawler.php
	src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
	src/Symfony/Component/Form/Extension/DependencyInjection/DependencyInjectionExtension.php
	src/Symfony/Component/Serializer/Tests/Normalizer/CustomNormalizerTest.php
	src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php
	src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2013 Fabien Potencier
+Copyright (c) 2004-2014 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

XcacheClassLoader.php

@@ -116,7 +116,8 @@ class XcacheClassLoader
         if (xcache_isset($this->prefix.$class)) {
             $file = xcache_get($this->prefix.$class);
         } else {
-            xcache_set($this->prefix.$class, $file = $this->classFinder->findFile($class));
+            $file = $this->classFinder->findFile($class);
+            xcache_set($this->prefix.$class, $file);
         }
 
         return $file;