Prepare Stein RC1
Prepare Stein RC1

Update the version metadata for Stein milestone RC1

Change-Id: Ie535e4026c63b8defc9fd83741448e12bfaed230

openstack/puppet-monasca,openstack/puppet-monasca,openstack/puppet-monasca,openstack/puppet-monasca,openstack/puppet-monasca