Merge branch '2.7' into 2.8

* 2.7: (36 commits)
  [DoctrineBridge] Bypass the db when no valid identifier is provided in ORMQueryBuilderLoader
  [Serializer] Fixed typo in comment
  [Form] Fixed: Filter non-integers when selecting entities by int ID
  Fix merge
  Fix merge
  Add test for HHVM FatalErrors
  [2.6][Debug] Fix fatal-errors handling on HHVM
  [Debug] Fix log level of stacked errors
  [VarDumper] Fix uninitialized id in HtmlDumper
  Fixed fluent interface
  [Console] Fix tests on Windows
  [2.7] Fix unsilenced deprecation notices
  [2.3][Debug] Fix fatal-errors handling on HHVM
  [Debug] fix debug class loader case test on windows
  Standardize the name of the exception variables
  [Debug+VarDumper] Fix handling of PHP7 exception/error model
  Do not trigger deprecation error in ResolveParameterPlaceHoldersPass
  [2.3] Static Code Analysis for Components
  Added a small Upgrade note regarding security.context
  added missing deprecation in CHANGELOG
  ...

Conflicts:
	src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/logger.html.twig
	src/Symfony/Component/HttpKernel/Kernel.php

Author: nicolas-grekas

Templating/GlobalVariables.php

@@ -14,7 +14,6 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Session\Session;
-use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\SecurityContext;
 
 /**