Merge pull request #795 from claco/v4.2.2rc

Update submodule
Submodule update
Merge branch 'v4.2.2rc' of https://github.com/rcbops/chef-cookbooks into v4.2.2rc
Merge pull request #796 from rackerjoe/v4.2.2rc

Submodule Update
Update nova submodule