Update Twig. This closes #295

inc/lib/Twig/Sandbox/SecurityPolicyInterface.php

@@ -3,7 +3,7 @@
 /*
  * This file is part of Twig.
  *
- * (c) 2009 Fabien Potencier
+ * (c) Fabien Potencier
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -22,3 +22,5 @@ interface Twig_Sandbox_SecurityPolicyInterface
 
     public function checkPropertyAllowed($obj, $method);
 }
+
+class_alias('Twig_Sandbox_SecurityPolicyInterface', 'Twig\Sandbox\SecurityPolicyInterface', false);