example usage:
To setup a fourth account in test-domain for functional tests:
keystonev3.py setup-func-test-env --os-endpoint http://u132.localdomain:5000/v3
To setup two users and projects in a specified domain:
keystonev3.py setup-test-env --os-endpoint http://u132.localdomain:5000/v3 --os-domain my-domain-name
To list all users (with their domain membership):
keystonev3.py user-list --os-endpoint http://u132.localdomain:5000/v3
To list all projects (with their domain membership):
keystonev3.py project-list --os-endpoint http://u132.localdomain:5000/v3