Merge branch '2.3' into 2.6

* 2.3:
  Fix small coding style
  [2.3] Static Code Analysis for Components
  [Form] fixed phpdoc
  CS: Convert double quotes to single quotes
  Fixed MongoODM entity loader. Improved loading behavior of entities and documents by reusing entity loader.
  [Validator] added Japanese translation for unmatched charset (id: 80)
  [DependencyInjection] Highest precedence for user parameters
  [Translation][MoFileLoader] fixed load empty translation.
  bumped Symfony version to 2.3.27
  updated VERSION for 2.3.26
  update CONTRIBUTORS for 2.3.26
  updated CHANGELOG for 2.3.26

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Command/AssetsInstallCommand.php
	src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
	src/Symfony/Bundle/TwigBundle/Command/LintCommand.php
	src/Symfony/Component/Config/Definition/ReferenceDumper.php
	src/Symfony/Component/Debug/ExceptionHandler.php
	src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
	src/Symfony/Component/DependencyInjection/Tests/Compiler/MergeExtensionConfigurationPassTest.php
	src/Symfony/Component/DependencyInjection/Tests/DefinitionTest.php
	src/Symfony/Component/Filesystem/Filesystem.php
	src/Symfony/Component/HttpKernel/DataCollector/DataCollector.php
	src/Symfony/Component/HttpKernel/Kernel.php
	src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
	src/Symfony/Component/Translation/PluralizationRules.php
	src/Symfony/Component/Validator/Constraints/IssnValidator.php
	src/Symfony/Component/Validator/Resources/translations/validators.ja.xlf
	src/Symfony/Component/Yaml/Tests/InlineTest.php

Author: fabpot

Exception/FileLoaderLoadException.php

@@ -76,7 +76,7 @@ protected function varToString($var)
                 $a[] = sprintf('%s => %s', $k, $this->varToString($v));
             }
 
-            return sprintf("Array(%s)", implode(', ', $a));
+            return sprintf('Array(%s)', implode(', ', $a));
         }
 
         if (is_resource($var)) {

Tests/Fixtures/Configuration/ExampleConfiguration.php

@@ -45,7 +45,7 @@ public function getConfigTreeBuilder()
                             ->info(
                                 "this is a long\n".
                                 "multi-line info text\n".
-                                "which should be indented"
+                                'which should be indented'
                             )
                             ->example('example setting')
                         ->end()