Prepare a 3.0 release.

Hi everyone,

If you're a rabbitmq module user I recommend doing some testing with the latest version here in git. I'm going to cut an RC and mail it out to the list tomorrow but I would appreciate some eyes as we've merged in a bunch of stuff.

I'm still not happy that we have duplicate package resources on RHEL systems (package { 'rabbitmq-server': } is in repo/rhel.pp and server.pp and I want to see this resolved before we release an actual 3.0.  Hopefully one of you kind readers will magically make this happen, if not the 3.0 release will have to wait until I can get it into a sprint cycle to work on.