Merge branch '2.3' into 2.7

* 2.3:
  prefer phpunit 5.x on hhvm
  [FrameworkBundle][HttpKernel] the finder is required to discover bundle commands
  [travis] Auto-conf deps=high matrix line
  Fix the logout path when not using the router
  [HttpFoundation] Added the ability of mapping stream wrapper protocols when using X-Sendfile
  [HttpFoundation] Add a test case for using BinaryFileResponse with stream wrappers

Conflicts:
	.travis.yml
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Bundle/SecurityBundle/Templating/Helper/LogoutUrlHelper.php

Author: nicolas-grekas

composer.json

@@ -21,6 +21,7 @@
         "symfony/dependency-injection": "~2.6,>=2.6.2",
         "symfony/config": "~2.4",
         "symfony/event-dispatcher": "~2.5",
+        "symfony/finder": "~2.0,>=2.0.5",
         "symfony/http-foundation": "~2.4.9|~2.5,>=2.5.4",
         "symfony/http-kernel": "~2.7",
         "symfony/filesystem": "~2.3",
@@ -37,7 +38,6 @@
         "symfony/console": "~2.7",
         "symfony/css-selector": "~2.0,>=2.0.5",
         "symfony/dom-crawler": "~2.0,>=2.0.5",
-        "symfony/finder": "~2.0,>=2.0.5",
         "symfony/intl": "~2.3",
         "symfony/security": "~2.6",
         "symfony/form": "~2.7,>=2.7.2",
@@ -49,7 +49,6 @@
     },
     "suggest": {
         "symfony/console": "For using the console commands",
-        "symfony/finder": "For using the translation loader and cache warmer",
         "symfony/form": "For using forms",
         "symfony/serializer": "For using the serializer service",
         "symfony/validator": "For using validation",