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

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/web/client/lib/lang/cz_clients_list.lng

@@ -9,4 +9,3 @@
$wb['username_txt'] = 'Uživatelské jméno';
$wb['customer_no_txt'] = 'Zákaznické číslo';
?>