Added allowempty setting to ISEMAIL validator.

Till Brehm

2016-01-29 a8ab61eeb0beac52d5a1e8c41d549df4ed87bf71

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

@@ -9,3 +9,4 @@
$wb['ip_type_txt'] = 'Verze';
?>