Merge branch '2.3' into 2.4

* 2.3:
  [2.3] Add missing development dependencies
  Fix @return docs on HttpCache::restoreResponseBody()
  [Finder] Escape location for regex searches
  Make sure HttpCache is a trusted proxy

Conflicts:
	src/Symfony/Bridge/Doctrine/composer.json
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Bundle/SecurityBundle/composer.json
	src/Symfony/Component/Form/composer.json

Author: fabpot

composer.json

@@ -21,8 +21,11 @@
         "symfony/http-kernel": "~2.2"
     },
     "require-dev": {
+        "symfony/browser-kit": "~2.3",
+        "symfony/form": "~2.3",
         "symfony/framework-bundle": "~2.2",
         "symfony/twig-bundle": "~2.2",
+        "symfony/process": "~2.0",
         "symfony/validator": "~2.2",
         "symfony/yaml": "~2.0",
         "symfony/expression-language": "~2.4"