changed regex for backup_dir (allow empty backup-dir to disable backups)

Florian Schaal

2016-03-17 93e7c2d51119be25b34fec4b2eb5771f40cf7d31

1
ALTER TABLE `ftp_user` ADD `expires` datetime NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER `dl_bandwidth` ;