Proxy configuration
Merge pull request #132 from sorenh/proxy

Proxy configuration
Move APT repo config into hiera

This makes it way easier to add e.g. internal repos for various things.
Merge pull request #138 from sorenh/repos

Move APT repo config into hiera
Fixed haproxy misconfiguration
Added nova controller code

* Added nova controller applications
  nova-api, nova-scheduler, nova-conductor, nova-consoleauth, nova-vncproxy,
nova-cert
* Added tests