Openstackid.org openid instance

Create a productive instance of openid service at openstackid.org. This
domain was bought by the Foundation to avoid *.openstack.org cross-domain
issues.

Related tasks:
- create trove database for openid service (openstackid_id_mysql* variables)
- setup connection string to openstack.org profile db
  (openstackid_ss_mysql_* variables)
- issue openstackid.org x509 certificate
  (openstackid_ssl* variables)
- setup openstackid_redis_password and openstackid_site_admin_password
  hiera variables.

Change-Id: Iaf198d004d0c9cad10668405b0e5b2537b791a7f
Merge "Openstackid.org openid instance"