add site admin menu

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@8796 201d5d3c-b55e-5fd7-737f-ddc643e51545

modules/site/site.class.php

@@ -0,0 +1,40 @@
+<?php
+    /**
+     * @class  site
+     * @author NHN (developers@xpressengine.com)
+     * @brief  base class of site module 
+     **/
+
+    class site extends ModuleObject {
+
+        /**
+         * @brief install admin module 
+         * @return new Object
+         **/
+        function moduleInstall() {
+            return new Object();
+        }
+
+        /**
+         * @brief if update is necessary it returns true
+         **/
+        function checkUpdate() {
+            return false;
+        }
+
+        /**
+         * @brief update module 
+         * @return new Object
+         **/
+        function moduleUpdate() {
+            return new Object();
+        }
+
+        /**
+         * @brief regenerate cache file
+         * @return none
+         **/
+        function recompileCache() {
+        }
+    }
+?>