Add OpenStack-Ansible metadata
Add OpenStack-Ansible metadata

We need to add openstack ansible information in the role
metadata to be able to track role maturity. With it,
we can create a role maturity table and take decisions about
role deprecations.

Change-Id: Idb48403cee813bbc6eb0c574af868f6a87c478f3

openstack/openstack-ansible-rsyslog_server,openstack/openstack-ansible-rsyslog_server