Added PHP 7 check in installer and updater.

Till Brehm

2016-04-22 ebd0e986ed11f2a34fb58cdd33efbfab192083ad

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

@@ -6,6 +6,7 @@
$wb['active_txt'] = 'Aktivní';
$wb['directive_snippets_name_empty'] = 'Please specify a name for the snippet.';
$wb['directive_snippets_name_error_unique'] = 'There is already a directive snippet with this name.';
$wb['variables_txt'] = 'Proměnné';
?>