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Modified some paths to be more generic and not require rewrite.  Some
instances of phase names have been changed, others are still in process.

Twig/Extension.php

@@ -0,0 +1,75 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class Twig_Extension implements Twig_ExtensionInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function initRuntime(Twig_Environment $environment)
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTokenParsers()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getNodeVisitors()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTests()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFunctions()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getOperators()
+    {
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getGlobals()
+    {
+        return array();
+    }
+}