Update for python-heatclient 0.2.9

Change-Id: Iaecd576019e9586d43b3de2e1337564faf2507b2
Cleanup openrc.sh creation and usage

Consistently create and use PROJECT-openrc.sh files. This is the default
when you use the dashboard, so let's follow this everywhere. This makes
it also clearer which project is used.

Change-Id: I5e4604ed61b29e86193697171a9fc84f673fc102
Partial-Bug: #1290082
Merge "Cleanup openrc.sh creation and usage"
Merge "Update for python-heatclient 0.2.9"