Update bundle & stock file

- update stock file (AppKernel, app.php, etc ..) from SymfonyStandard edition)
- update bundle to latest release
- remove security on profiler

web/app.php

@@ -1,23 +1,23 @@
 <?php
 
-use Symfony\Component\ClassLoader\ApcClassLoader;
 use Symfony\Component\HttpFoundation\Request;
 
-$loader = require_once __DIR__.'/../app/bootstrap.php.cache';
+/**
+ * @var Composer\Autoload\ClassLoader
+ */
+$loader = require __DIR__.'/../app/autoload.php';
+include_once __DIR__.'/../app/bootstrap.php.cache';
 
 // Enable APC for autoloading to improve performance.
 // You should change the ApcClassLoader first argument to a unique prefix
 // in order to prevent cache key conflicts with other applications
 // also using APC.
 /*
-$apcLoader = new ApcClassLoader(sha1(__FILE__), $loader);
+$apcLoader = new Symfony\Component\ClassLoader\ApcClassLoader(sha1(__FILE__), $loader);
 $loader->unregister();
 $apcLoader->register(true);
 */
 
-require_once __DIR__.'/../app/AppKernel.php';
-//require_once __DIR__.'/../app/AppCache.php';
-
 $kernel = new AppKernel('prod', false);
 $kernel->loadClassCache();
 //$kernel = new AppCache($kernel);