Merge branch '2.7' into 2.8

* 2.7:
  updated VENDORS for 2.7.25
  Add VarDumper's dump.php to autoload-dev

Author: fabpot

composer.json

@@ -7,6 +7,9 @@
         "psr-4": { "": "src/" },
         "classmap": [ "app/AppKernel.php", "app/AppCache.php" ]
     },
+    "autoload-dev": {
+        "files": [ "vendor/symfony/symfony/src/Symfony/Component/VarDumper/Resources/functions/dump.php" ]
+    },
     "require": {
         "php": ">=5.3.9",
         "doctrine/doctrine-bundle": "~1.4",