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

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/web/dns/lib/lang/se_dns_a_list.lng

@@ -6,6 +6,7 @@
$wb['name_txt'] = 'Name';
$wb['data_txt'] = 'Data';
$wb['aux_txt'] = 'Priority';
$wb['ttl_txt'] = 'TTL';
$wb['type_txt'] = 'Type';
$wb['add_new_record_txt'] = 'Add new DNS A-Record';
$wb['page_txt'] = 'Page';