another fix for FS#1847 + msg increased

conf/msg

-23
+24
 The first line of this file contains a number, indicating
 which notification messages should not be displayed. This
 is the only information sent to dokuwiki.org when the

lib/plugins/acl/ajax.php

@@ -19,7 +19,7 @@ require_once(DOKU_INC.'inc/auth.php');
 //close session
 session_write_close();
 
-if(!auth_ismanager()) die('forbidden');
+if(!auth_isadmin()) die('forbidden');
 
 $ID    = getID();