Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/web/admin/lib/lang/el_software_update_list.lng

@@ -7,4 +7,3 @@
$wb['action_txt'] = 'Ενέργεια';
$wb['no_updates_txt'] = 'No updates available';
?>