Fix mappings for rpc

There is a data mapping for rpc_user in hiera_data that
was missing its mappings. This patch adds them, along with
a missing mapping for the glance rabbit class.
Rework the network configuration in Vagrant

Currently there are networks for deploy, public
routing and private services. This patch adds another
network in preparation for a rework of the data model
to support the compressed ha scenario more comprehensively.

The extra network allows us to have deploy, public api,
private api/services, and data plane separation, and
won't otherwise affect the current scenarios.
Add glance notify class

Add the glance notify class and its data mappings
Add loadbalancing to stacktira scenario

This patch adds loadbalancing and refactors the
firewall for the stacktira scenario
Fix setup.pp on Centos

FQDN facts are picky on CentOS. This patch makes the fqdn
come first after the IP in the hosts file, which is needed
for the fact to work.
Support stacktira roles for provision class

Stacktira uses the name control for the control nodes,
this patch adds the new name to the provision global.
Aptira distro

Add loadbalance class group and test data to contrib