Merge branch '2.7' into 2.8

* 2.7:
  [DI] minor FileLoaders tests update
  [HttpKernel] Revert BC breaking change of Request::isMethodSafe()
  [DOMCrawler] Bug fixed
  [Process] Do feat test before enabling TTY mode
  bumped Symfony version to 2.7.22
  updated VERSION for 2.7.21
  update CONTRIBUTORS for 2.7.21
  updated CHANGELOG for 2.7.21
  [Doctrine][Form] support large integers

Author: fabpot

Tests/Loader/XmlFileLoaderTest.php

@@ -131,8 +131,8 @@ public function testLoadImports()
     {
         $container = new ContainerBuilder();
         $resolver = new LoaderResolver(array(
-            new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
-            new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
+            new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/ini')),
+            new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yml')),
             $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
         ));
         $loader->setResolver($resolver);

Tests/Loader/YamlFileLoaderTest.php

@@ -104,8 +104,8 @@ public function testLoadImports()
     {
         $container = new ContainerBuilder();
         $resolver = new LoaderResolver(array(
-            new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml')),
-            new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml')),
+            new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/ini')),
+            new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
             new PhpFileLoader($container, new FileLocator(self::$fixturesPath.'/php')),
             $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml')),
         ));