Provide a default number of days for the rsync handler
Commit "5264319123eef0176ecee992c6ac20d270ffabe4":https://git.sarava.org/?p=backupninja.git;a=commit;h=5264319123eef0176ecee992c6ac20d270ffabe4 provides a default number of days for the rsync handler.
(from redmine: created on 2011-12-31, closed on 2011-12-31)