Add role to make orchestration tests work
Add role to make orchestration tests work

The "workaround" for this was not correct and is not really a workaround.
The demo user is now given the heat stack owner role.

Changed role addition to log as DEBUG.

eggmaster/tempest,eggmaster/tempest,queria/my-tempest,queria/my-tempest,danielmellado/tempest,danielmellado/tempest