Moving params.pp parameters as class parameters.

This doesn't change the behavior of parameters inheritance.

Meanwhile it allows hierarchical lookups which are now available by
default from Puppet Version 3.x.
So for instance /var/lib/hiera/defaults.yaml could contain:
quickstack::params::admin_password: CHANGEME
quickstack::params::verbose: true
Merge pull request #301 from gildub/parameters+inheritance

Moving params.pp parameters as class parameters.
BZ #1120288 - Avoid race condition in rabbitmq clustering.

https://bugzilla.redhat.com/show_bug.cgi?id=1120288

RabbitMQ will now start first on the VIP node and then the others,
similar to other HA services.
Merge pull request #318 from jeckersb/rabbitmq_prevent_race

avoid race condition in rabbitmq clustering (bz1120288)