Add openstack packages to heat-agents container
Add openstack packages to heat-agents container

These RPMs are installed by puppet, so go ahead and add them to the
image beforehand. Saves a little less than two minutes during
deployment.

Change-Id: Iebeb6864a30101f9866e33c2e67e4a11e772a6e9

openstack/tripleo-common,openstack/tripleo-common