Twig update to latest Twig 1.x legacy as per vichan

inc/lib/Twig/LoaderInterface.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.
@@ -24,6 +24,8 @@ interface Twig_LoaderInterface
      * @return string The template source code
      *
      * @throws Twig_Error_Loader When $name is not found
+     *
+     * @deprecated since 1.27 (to be removed in 2.0), implement Twig_SourceContextLoaderInterface
      */
     public function getSource($name);
 
@@ -41,12 +43,15 @@ interface Twig_LoaderInterface
     /**
      * Returns true if the template is still fresh.
      *
-     * @param string    $name The template name
-     * @param timestamp $time The last modification time of the cached template
+     * @param string $name The template name
+     * @param int    $time Timestamp of the last modification time of the
+     *                     cached template
      *
-     * @return Boolean true if the template is fresh, false otherwise
+     * @return bool true if the template is fresh, false otherwise
      *
      * @throws Twig_Error_Loader When $name is not found
      */
     public function isFresh($name, $time);
 }
+
+class_alias('Twig_LoaderInterface', 'Twig\Loader\LoaderInterface', false);