Merge branch '2.6' into 2.7

* 2.6: (24 commits)
  [HttpKernel] Embed the original exception as previous to bounced exceptions
  [Enhancement] netbeans - force interactive shell when limited detection
  [FrameworkBundle] fixes displaying of deprecation notices.
  Revert "Added missing changelog entry"
  [Debug] Tweak docblocks
  [Debug] Rework a bit the PHP doc
  Added missing changelog entry
  [StringUtil] Fixed singularification of 'movies'
  [Debug] Renamed "context" key to "scope_vars" to avoid any ambiguity
  Fix some phpdocs for Twig extensions & templating helpers
  [Debug] Made code in ErrorHandler easier to read
  Use specialized config methods instead of the generic ifTrue() method
  Fix the AJAX profiling
  bumped Symfony version to 2.6.7
  updated VERSION for 2.6.6
  updated CHANGELOG for 2.6.6
  Safe escaping of fragments for eval()
  bumped Symfony version to 2.3.28
  updated VERSION for 2.3.27
  update CONTRIBUTORS for 2.3.27
  ...

Conflicts:
	src/Symfony/Component/Debug/ErrorHandler.php
	src/Symfony/Component/HttpKernel/Kernel.php

Author: nicolas-grekas

Tests/ContainerAwareEventManagerTest.php

@@ -16,6 +16,9 @@
 
 class ContainerAwareEventManagerTest extends \PHPUnit_Framework_TestCase
 {
+    private $container;
+    private $evm;
+
     protected function setUp()
     {
         $this->container = new Container();