Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

 interface/web/vm/lib/lang/cz_openvz_ip_list.lng

@@ -3,4 +3,7 @@
$wb['server_id_txt'] = 'Server';
$wb['ip_address_txt'] = 'IP address';
$wb['reserved_txt'] = 'Reserved';
$wb['vm_id_txt'] = 'VM';
?>