Modularization and parameters/manifests decoupling

To cover scenarios from All-In-One to multi controllers/nodes
- NonHA
- neutron

Same features scope as older NonHA monolitic version

Offers more flexibility to extend faster...

Initially done with CI automation in mind, it simplifies
openstack's parameters complexity using Hiera yaml files.

Todo: Consolidate with HA

This is still Work in Progress:
Validating heat, cinder and compute nodes

Issues:
nova scheduler: miising SELinux AVC

Tested against RHOS5/RHEL7