Merge branch '2.3' into 2.5

* 2.3:
  Remove aligned '=>' and '='
  Break infinite loop while resolving aliases
  [Security][listener] change priority of switchuser
  Improved the phpdoc for security token classes
  bumped Symfony version to 2.3.22
  updated VERSION for 2.3.21
  update CONTRIBUTORS for 2.3.21
  updated CHANGELOG for 2.3.21

Conflicts:
	src/Symfony/Bridge/Propel1/Form/ChoiceList/ModelChoiceList.php
	src/Symfony/Bridge/Propel1/Form/Type/ModelType.php
	src/Symfony/Bridge/Propel1/Logger/PropelLogger.php
	src/Symfony/Bridge/Propel1/Tests/Fixtures/ItemQuery.php
	src/Symfony/Bundle/FrameworkBundle/Command/RouterDebugCommand.php
	src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
	src/Symfony/Bundle/FrameworkBundle/Translation/Translator.php
	src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LocalizedController.php
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LoginController.php
	src/Symfony/Component/Console/Descriptor/JsonDescriptor.php
	src/Symfony/Component/Console/Formatter/OutputFormatterStyle.php
	src/Symfony/Component/Console/Helper/ProgressHelper.php
	src/Symfony/Component/Debug/ErrorHandler.php
	src/Symfony/Component/DependencyInjection/Container.php
	src/Symfony/Component/Finder/Shell/Command.php
	src/Symfony/Component/Form/Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php
	src/Symfony/Component/Form/Extension/Core/Type/CollectionType.php
	src/Symfony/Component/Form/Extension/Core/Type/FormType.php
	src/Symfony/Component/Form/Extension/Core/Type/IntegerType.php
	src/Symfony/Component/Form/Extension/Core/Type/NumberType.php
	src/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php
	src/Symfony/Component/HttpFoundation/File/UploadedFile.php
	src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php
	src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
	src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php
	src/Symfony/Component/HttpKernel/Kernel.php
	src/Symfony/Component/HttpKernel/Tests/EventListener/TestSessionListenerTest.php
	src/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php
	src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
	src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
	src/Symfony/Component/Routing/Route.php
	src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
	src/Symfony/Component/Security/Tests/Core/Validator/Constraints/UserPasswordValidatorTest.php
	src/Symfony/Component/Templating/PhpEngine.php
	src/Symfony/Component/Validator/Constraints/ImageValidator.php
	src/Symfony/Component/Validator/Constraints/TypeValidator.php

Author: fabpot

Encoder/JsonDecode.php

@@ -95,9 +95,9 @@ public function decode($data, $format, array $context = array())
     {
         $context = $this->resolveContext($context);
 
-        $associative    = $context['json_decode_associative'];
+        $associative = $context['json_decode_associative'];
         $recursionDepth = $context['json_decode_recursion_depth'];
-        $options        = $context['json_decode_options'];
+        $options = $context['json_decode_options'];
 
         if (version_compare(PHP_VERSION, '5.4.0') >= 0) {
             $decodedData = json_decode($data, $associative, $recursionDepth, $options);

Serializer.php

@@ -38,8 +38,8 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
 {
     protected $encoder;
     protected $decoder;
-    protected $normalizers       = array();
-    protected $normalizerCache   = array();
+    protected $normalizers = array();
+    protected $normalizerCache = array();
     protected $denormalizerCache = array();
 
     public function __construct(array $normalizers = array(), array $encoders = array())