Updated site.pp to point to classes in the new rcbau module.

Fixed the TH init script to return the a return of 0 when it successfully starts.
enabling the nodepool ready-script to work correctly.
Merge branch 'master' of https://github.com/rcbau/puppet
Merge pull request #2 from jhesketh/master

Fix motd namespace to rcbau
Setup puppet agent on nodes created which point back to the puppet master.

Moved the motd_tail module into the rcbau module so the namespace used for
naming matched.

Added some resource collectors to rcbau::server so we can override some of
the resources created in the openstack_project module.
Install common/useful packages on all servers