Merge branch '2.6' into 2.7

* 2.6:
  Added 'default' color
  [HttpFoundation] Reload the session after regenerating its id
  [HttpFoundation] Add a test case to confirm a bug in session migration
  [2.6] Static Code Analysis for Components and Bundles
  [Finder] Command::addAtIndex() fails with Command instance argument
  [DependencyInjection] Freeze also FrozenParameterBag::remove
  [Twig][Bridge] replaced `extends` with `use` in bootstrap_3_horizontal_layout.html.twig
  fix CS
  fixed CS
  Add a way to reset the singleton
  [Security] allow to use `method` in XML configs
  Remove duplicate example
  Remove var not used due to returning early (introduced in 8982c32)
  Enhance hhvm test skip message

Author: fabpot

Util/XmlUtils.php

@@ -196,7 +196,7 @@ public static function phpize($value)
                 return '0' == $value[0] ? octdec($value) : (((string) $raw === (string) $cast) ? $cast : $raw);
             case isset($value[1]) && '-' === $value[0] && ctype_digit(substr($value, 1)):
                 $raw = $value;
-                $cast = intval($value);
+                $cast = (int) $value;
 
                 return '0' == $value[1] ? octdec($value) : (((string) $raw === (string) $cast) ? $cast : $raw);
             case 'true' === $lowercaseValue: