Merge branch '2.3' into 2.5

* 2.3:
  [2.3] Fix lowest deps
  [TwigBundle] added missing @deprecated tags

Conflicts:
	src/Symfony/Bundle/TwigBundle/composer.json
	src/Symfony/Component/Debug/composer.json
	src/Symfony/Component/HttpKernel/composer.json

src/Symfony/Bundle/TwigBundle/Node/RenderNode.php

@@ -15,6 +15,8 @@ namespace Symfony\Bundle\TwigBundle\Node;
  * Represents a render node.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since version 2.2, to be removed in 3.0.
  */
 class RenderNode extends \Twig_Node
 {

src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php

@@ -17,6 +17,8 @@ use Symfony\Bundle\TwigBundle\Node\RenderNode;
  * Token Parser for the render tag.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since version 2.2, to be removed in 3.0.
  */
 class RenderTokenParser extends \Twig_TokenParser
 {

src/Symfony/Bundle/TwigBundle/composer.json

@@ -19,7 +19,7 @@
         "php": ">=5.3.3",
         "symfony/twig-bridge": "~2.5",
         "symfony/http-foundation": "~2.5",
-        "symfony/http-kernel": "~2.3,>=2.3.24"
+        "symfony/http-kernel": "~2.3.24|~2.5.9|~2.6,>=2.6.2"
     },
     "require-dev": {
         "symfony/stopwatch": "~2.2",