Merge branch '2.6' into 2.7

* 2.6:
  [2.3] [HttpFoundation] [MimeTypeGuesser]
  Removed dead code and various cleaning
  Removed dead code and various cleaning
  [FrameworkBundle][xsd] added missing logging attribute.
  [Console] Make it clear that the second argument is not about command options.
  Added the '-' character for spaceless on tag start and end to be consistent for block, if, set and for nodes
  [Yaml] fixed parse shortcut Key after unindented collection.
  [Console] fixed #10531
  Make the container considered non-fresh if the environment parameters are changed

Author: fabpot

Caster/DOMCaster.php

@@ -115,8 +115,6 @@ public static function castNode(\DOMNode $dom, array $a, Stub $stub, $isNested)
 
     public static function castNameSpaceNode(\DOMNameSpaceNode $dom, array $a, Stub $stub, $isNested)
     {
-        // Commented lines denote properties that exist but are better not dumped for clarity.
-
         $a += array(
             'nodeName' => $dom->nodeName,
             'nodeValue' => new CutStub($dom->nodeValue),