This represents making build-docker-images --release build
with the icehouse tag and causes docker-compsoe to pull from
the icehouse tag.
Partially-implements: blueprint port-kilo
Change-Id: I66b2c39abc55c0f47152dd90e696fc46b9c58f50
Generate Heat environment variables.
Rename yml file to api and engine to follow other service conventions.
Add heat to compose/start
Modify integration guide to include new variables.
Change-Id: I058d829901881e28d6f4785f59fcf778058241e4