Merge branch 'dns-status' of git.ispconfig.org:darkalex/ispconfig3 into dns-status

Conflicts:
	install/sql/incremental/upd_dev_collection.sql
	server/plugins-available/bind_plugin.inc.php

Author: A. Täffner

server/plugins-available/bind_plugin.inc.php

@@ -327,6 +327,7 @@ function soa_update($event_name, $data) {
 			if(is_file($filename.'.err')) unlink($filename.'.err');
 			if(is_file($filename.'.pending')) unlink($filename.'.pending');
 			if(is_file($filename.'.signed')) unlink($filename.'.signed');
+		}
 
 		//* Restart bind nameserver if update_acl is not empty, otherwise reload it
 		if($data['new']['update_acl'] != '') {