Merge branch '2.3' into 2.4

* 2.3: (22 commits)
  Fix incorrect romanian plural translations
  fix axes handling in Crawler::filterXPath()
  fix some docblocks
  Fixed self-reference in 'service_container' service breaks garbage collection (and clone).
  [Process] Fix tests when pcntl is not available.
  [DependencyInjection] Roll back changes made to generated files.
  [Console] Roll back changes made to fixture files.
  [Validator] Added more detailed inline documentation
  [Validator] Removed information from the violation output if the value is an array, object or resource
  partially reverted previous commit
  fixed CS
  properly handle null data when denormalizing
  [Validator] Renamed valueToString() to formatValue(); added missing formatValue() calls
  [Validator] Fixed CS
  [Validator] Fixed date-to-string conversion tests to match ICU 51
  [Validator] Added "{{ value }}" parameters where they were missing
  [Validator] Simplified and explained the LuhnValidator
  [Validator] Simplified IssnValidator
  [Validator] Fixed and simplified IsbnValidator
  [Validator] Simplified IBAN validation algorithm
  ...

Conflicts:
	src/Symfony/Component/Console/Helper/DescriptorHelper.php
	src/Symfony/Component/DependencyInjection/Container.php
	src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
	src/Symfony/Component/HttpFoundation/File/UploadedFile.php
	src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php
	src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Tests/Constraints/EqualToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/GreaterThanValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IdenticalToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LessThanOrEqualValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LessThanValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotEqualToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotIdenticalToValidatorTest.php

Author: webmozart

Debug/TraceableEventDispatcher.php

@@ -252,8 +252,9 @@ public function preListenerCall($eventName, $eventId, $listener)
     /**
      * Returns information about the listener
      *
-     * @param object $listener  The listener
-     * @param string $eventName The event name
+     * @param object   $listener  The listener
+     * @param int|null $eventId   The event id
+     * @param string   $eventName The event name
      *
      * @return array Information about the listener
      */

Fragment/FragmentHandler.php

@@ -97,7 +97,7 @@ public function setRequest(Request $request = null)
      * @return string|null The Response content or null when the Response is streamed
      *
      * @throws \InvalidArgumentException when the renderer does not exist
-     * @throws \LogicException           when the Request is not successful
+     * @throws \LogicException           when no master request is being handled
      */
     public function render($uri, $renderer = 'inline', array $options = array())
     {

Tests/HttpCache/HttpCacheTest.php

@@ -1177,7 +1177,7 @@ public function testXForwarderForHeaderForPassRequests()
 
     public function testEsiCacheRemoveValidationHeadersIfEmbeddedResponses()
     {
-        $time = new \DateTime;
+        $time = new \DateTime();
 
         $responses = array(
             array(