implemented buildURL() function (and fixed redirecting on https page)

added comments block (file description) in each PHP file

inc/models/NavigationModel.class.php

@@ -1,6 +1,11 @@
 <?php
-
-require_once('./inc/model.class.php');
+/** 
+* @package		uForum2
+* @file		inc/models/NavigationModel.php
+* @copyright	2007-2015 (c) PioDer <[email protected]>
+* @link    		http://www.pioder.pl/
+* @license		see LICENSE.txt
+**/
 
 class NavigationModel extends Model
 {