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

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

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

@@ -4,4 +4,3 @@
$wb['btn_save_txt'] = 'Exportar idioma selecionado para um arquivo';
$wb['btn_cancel_txt'] = 'Voltar';
?>