Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

 interface/web/mailuser/lib/lang/cz.lng

@@ -8,3 +8,4 @@
$wb['Email Filters'] = 'E-mailové filtry';
?>