Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

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

@@ -5,3 +5,4 @@
$wb['user_txt'] = 'Klient';
?>