Added new (clean) yii boilerplate

framework/yii.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Yii bootstrap file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.yiiframework.com/
+ * @copyright 2008-2013 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ * @package system
+ * @since 1.0
+ */
+
+require(dirname(__FILE__).'/YiiBase.php');
+
+/**
+ * Yii is a helper class serving common framework functionalities.
+ *
+ * It encapsulates {@link YiiBase} which provides the actual implementation.
+ * By writing your own Yii class, you can customize some functionalities of YiiBase.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package system
+ * @since 1.0
+ */
+class Yii extends YiiBase
+{
+}