Create initial ansible deployment repository

A project to work on Ansible playbooks for OpenStack deployment.

We'll start with all playbooks in the one place while we figure out
the full architecture. We intend to set up Ansible linting and
testing in a later change.

As a starting point, we're seeding from
https://github.com/rcbops/ansible-lxc-rpc

Change-Id: I70b8ea460bba1649ea2a6ee0b2b98d00ce62ac13
Merge "Create initial ansible deployment repository"