Updates README
Updates maintainer
Adds unattended upgrades

This will make sure security bugs get patched. If the server needs a
reboot, it will reboot automatically at 02:00AM. You can override these
settings through attributes.
Merge branch 'feature/readme_update'
Merge branch 'master' into feature/unattended_upgrades
Bumps version after merge
Merge branch 'feature/unattended_upgrades'
Merge branch 'master' into feature/sshd

Conflicts:
	metadata.rb
	recipes/default.rb