Added auth_host, auth_port, auth_scheme

This is required for middleware to work properly
Cleanup per jay's suggestions
Merge pull request #44 from retr0h/working

Added auth_host, auth_port, auth_scheme
Merge pull request #45 from retr0h/working

Re-Revert "Revert "Foodcritic cleanups""
Added rabbit user/pass to nova.conf

This also fetches the rabbit password from an encrypted data bag.
No longer supports guest/guest which was bad to begin with.