Merge branch '2.3' into 2.6

* 2.3:
  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
  Enforce UTF-8 charset for core controllers

Conflicts:
	CONTRIBUTING.md
	src/Symfony/Bridge/Monolog/composer.json
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Bundle/SecurityBundle/composer.json
	src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php
	src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php
	src/Symfony/Component/Console/composer.json
	src/Symfony/Component/Debug/composer.json
	src/Symfony/Component/DomCrawler/composer.json
	src/Symfony/Component/EventDispatcher/composer.json
	src/Symfony/Component/HttpFoundation/composer.json
	src/Symfony/Component/Security/composer.json
	src/Symfony/Component/Templating/composer.json

Author: nicolas-grekas

Tests/bootstrap.php

@@ -20,6 +20,7 @@
         "doctrine/common": "~2.3"
     },
     "require-dev": {
+        "symfony/phpunit-bridge": "~2.7",
         "symfony/stopwatch": "~2.2",
         "symfony/dependency-injection": "~2.2",
         "symfony/form": "~2.3,>=2.3.8",

composer.json

@@ -4,11 +4,10 @@
          xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
          backupGlobals="false"
          colors="true"
-         bootstrap="Tests/bootstrap.php"
+         bootstrap="vendor/autoload.php"
 >
     <php>
-        <!-- Silence E_USER_DEPRECATED (-16385 == -1 & ~E_USER_DEPRECATED) -->
-        <ini name="error_reporting" value="-16385"/>
+        <ini name="error_reporting" value="-1" />
     </php>
     <testsuites>
         <testsuite name="Symfony Doctrine Bridge Test Suite">