Improved backup scripts, added sympl-sqldump
Whole new backup script added, old ruby script removed.
- Two backups are taken of each DB, only removing old ones once the new dump is verified OK
- DB type (mysql/mariadb/etc) and version along with timestamp in the filename
- sympl-sqldump with a range of options.
Closes #217 (closed)
Edited by Paul Cammish