Merge branch '2.5'

* 2.5:
  updated VERSION for 2.4.7
  updated CHANGELOG for 2.4.7
  bumped Symfony version to 2.3.18
  updated VERSION for 2.3.17
  update CONTRIBUTORS for 2.3.17
  updated CHANGELOG for 2.3.17
  added XSD to PHPUnit configuration
  fix the return types
  add missing docblock for ProcessBuilder::addEnvironmentVariables()
  bug #11319 [HttpKernel] Ensure the storage exists before purging it in ProfilerTest
  [Translation] Added unescaping of ids in PoFileLoader
  updated italian translation for validation messages
  [DomCrawler] Fix docblocks and formatting.
  [DomCrawler] Remove the query string and the anchor of the uri of a link
  Simplified the Travis test command
  Remove Expression Language services when the component is unavailable
  Added SK translations
  [Console] Make sure formatter is the same

Author: fabpot

Output/ConsoleOutput.php

@@ -50,7 +50,7 @@ public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = nu
 
         parent::__construct(fopen($outputStream, 'w'), $verbosity, $decorated, $formatter);
 
-        $this->stderr = new StreamOutput(fopen('php://stderr', 'w'), $verbosity, $decorated, $formatter);
+        $this->stderr = new StreamOutput(fopen('php://stderr', 'w'), $verbosity, $decorated, $this->getFormatter());
     }
 
     /**

Tests/Output/ConsoleOutputTest.php

@@ -20,5 +20,6 @@ public function testConstructor()
     {
         $output = new ConsoleOutput(Output::VERBOSITY_QUIET, true);
         $this->assertEquals(Output::VERBOSITY_QUIET, $output->getVerbosity(), '__construct() takes the verbosity as its first argument');
+        $this->assertSame($output->getFormatter(), $output->getErrorOutput()->getFormatter(), '__construct() takes a formatter or null as the third argument');
     }
 }

phpunit.xml.dist

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
          backupStaticAttributes="false"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
     <testsuites>