Merge branch '2.7' into 2.8

* 2.7:
  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
  Fix the logout path when not using the router
  [Form] cast IDs to match deprecated behaviour of EntityChoiceList
  [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

Author: nicolas-grekas

composer.json

@@ -22,6 +22,7 @@
         "symfony/dependency-injection": "~2.8",
         "symfony/config": "~2.8",
         "symfony/event-dispatcher": "~2.8|~3.0.0",
+        "symfony/finder": "~2.0,>=2.0.5|~3.0.0",
         "symfony/http-foundation": "~2.4.9|~2.5,>=2.5.4|~3.0.0",
         "symfony/http-kernel": "~2.8",
         "symfony/polyfill-mbstring": "~1.0",
@@ -40,7 +41,6 @@
         "symfony/console": "~2.8|~3.0.0",
         "symfony/css-selector": "~2.0,>=2.0.5|~3.0.0",
         "symfony/dom-crawler": "~2.0,>=2.0.5|~3.0.0",
-        "symfony/finder": "~2.0,>=2.0.5|~3.0.0",
         "symfony/polyfill-intl-icu": "~1.0",
         "symfony/security": "~2.6|~3.0.0",
         "symfony/form": "~2.8",
@@ -53,7 +53,6 @@
     },
     "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",