Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

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

@@ -5,4 +5,5 @@
$wb['language_overwrite_txt'] = 'Sovrascrivi file, se esiste';
$wb['btn_cancel_txt'] = 'Annulla';
$wb['ignore_version_txt'] = 'Tralascia controllo versione ISPconfig';
$wb['list_desc_txt'] = 'WARNING: Do not import language files from untrustworthy sources.';
?>