Update methods to load LAN files in Admin Area

(fingers crossed there are no typo's...)

e107_admin/theme.php

@@ -6,22 +6,17 @@
  * Released under the terms and conditions of the
  * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
  *
- *
- *
- * $Source: /cvs_backup/e107_0.8/e107_admin/theme.php,v $
- * $Revision$
- * $Date$
- * $Author$
  */
 
 require_once("../class2.php");
+
 if (!getperms("1"))
 {
 	e107::redirect('admin');
 	exit;
 }
 
-include_lan(e_LANGUAGEDIR.e_LANGUAGE.'/admin/lan_'.e_PAGE);
+e107::coreLan('theme', true);
 
 $e_sub_cat = 'theme_manage';