* some changes

* moved some admin html code from php to twig templates (.html files)
* minimum PHP version required by installer is now 5.1.2, cause of spl_autoload_register functon.
* depracated Twig to version 1.20.0 cause of Autoloader
* removed unused admin stylish template

system/libs/twig/Node/Expression/Binary/Matches.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2013 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Binary_Matches extends Twig_Node_Expression_Binary
+{
+    public function compile(Twig_Compiler $compiler)
+    {
+        $compiler
+            ->raw('preg_match(')
+            ->subcompile($this->getNode('right'))
+            ->raw(', ')
+            ->subcompile($this->getNode('left'))
+            ->raw(')')
+        ;
+    }
+
+    public function operator(Twig_Compiler $compiler)
+    {
+        return $compiler->raw('');
+    }
+}