Merge pull request #33 from hogepodge/stable/havana

Fixed nova resource. Release Candidate 3
Merge pull request #34 from hogepodge/stable/havana

Fixed file references. Release candidate 4
Merge pull request #35 from hogepodge/stable/havana

Fixed firewall dependency. Release candidate 5
Merge pull request #36 from hogepodge/stable/havana

Release 3.0.0