Merge branch '2.6' into 2.7

* 2.6:
  Minor hot fix
  [PROCESS] make sure /dev/tty is readable
  [2.3] require-dev PHPUnit bridge
  [FrameworkBundle] Fixed Shell logo
  [2.3] Update CONTRIBUTING.md
  [2.3][Process] Fixed PhpProcess::getCommandLine() result
  [Console] explicit assertion for ArgvInput::getFirstArgument() with no arguments
  [PropertyAccess] unify and fix doc
  Enforce UTF-8 charset for core controllers
  Fix the toolbar JS for IE

Conflicts:
	.travis.yml
	src/Symfony/Bridge/Doctrine/composer.json
	src/Symfony/Bridge/Monolog/composer.json
	src/Symfony/Bridge/Propel1/composer.json
	src/Symfony/Bridge/ProxyManager/composer.json
	src/Symfony/Bridge/Swiftmailer/composer.json
	src/Symfony/Bridge/Twig/composer.json
	src/Symfony/Bundle/DebugBundle/composer.json
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Bundle/SecurityBundle/composer.json
	src/Symfony/Bundle/TwigBundle/composer.json
	src/Symfony/Bundle/WebProfilerBundle/composer.json
	src/Symfony/Component/Asset/Exception/ExceptionInterface.php
	src/Symfony/Component/Asset/Exception/LogicException.php
	src/Symfony/Component/BrowserKit/composer.json
	src/Symfony/Component/ClassLoader/composer.json
	src/Symfony/Component/Console/composer.json
	src/Symfony/Component/Debug/composer.json
	src/Symfony/Component/DependencyInjection/composer.json
	src/Symfony/Component/DomCrawler/composer.json
	src/Symfony/Component/EventDispatcher/composer.json
	src/Symfony/Component/Form/composer.json
	src/Symfony/Component/HttpFoundation/composer.json
	src/Symfony/Component/HttpKernel/composer.json
	src/Symfony/Component/Intl/composer.json
	src/Symfony/Component/Routing/composer.json
	src/Symfony/Component/Security/Acl/composer.json
	src/Symfony/Component/Security/Core/composer.json
	src/Symfony/Component/Security/Csrf/composer.json
	src/Symfony/Component/Security/Http/composer.json
	src/Symfony/Component/Security/composer.json
	src/Symfony/Component/Templating/composer.json
	src/Symfony/Component/Translation/composer.json
	src/Symfony/Component/Validator/composer.json

Author: nicolas-grekas

Client.php

@@ -107,7 +107,7 @@ protected function getScript($request)
         $code = <<<EOF
 <?php
 
-error_reporting($errorReporting);
+error_reporting($errorReporting & ~E_USER_DEPRECATED);
 
 require_once '$requirePath';