This adds keystone v2 and v3 tests to the charm.
However, because of bug#1611393 the tests can't execute test 400 which
would check the API to barbican. Thus, it is disabled and the tests
only check that the relation is set up properly.
Change-Id: Ibfcdd82b070f7688a815fcbb1a089090d9529e2a
Update tox.ini to lint unit_tests, clean lint.
Add src/README.md placeholder to prevent inheritence of the
lower layer readme file in the built charm.
Add src/tox.ini and test-requirements for Amulet prep.
Update metadata.yaml for series.
Update tox.ini to minimize and clarify pep8 ignores.
Resolve flake8/pbr test-requirements version range conflict.
Mock apt in unit tests.
Add required tags data in src/metadata.yaml for charm proof.
Use openstack/charms.openstack proper in test-requirements
instead of a user space fork.
Update src/layer.yaml repo value to point to official location
and remove unnecessary options.
Change-Id: I5ca9e6cf9f8f91b3ce0ec3b48cf63535ca37c0f7
Alex Kavanagh