Allow mail configuration of unattended-upgrades
Add 'safekeep' role - centralized rdiff-backup

SafeKeep (http://safekeep.sourceforge.net/) is a script which utilizes
rdiff-backup to create centralized backup system. It is currently not
available in Debian by default and needs to be uploaded to an apt
repository to be usable by this role.
Add toggle to auto-upgrade packages (apt)
Merge pull request #1 from drybjed/master

New updates in drybjed/ginas