Install environment and templates for heat-engine
Install environment and templates for heat-engine

Heat has added these items, which are optional and not used in TripleO
yet. However, end-users may want to use some of the templated items,
and Heat logs some warnings if we don't have them.

Change-Id: I26750675ad4b77de338e4d57a847e90e1c328151

openstack/tripleo-image-elements,openstack/tripleo-image-elements,radez/tripleo-image-elements,rdo-management/tripleo-image-elements,radez/tripleo-image-elements,rdo-management/tripleo-image-elements