- Add Zesty as a supported series to metadata.yaml.
- Turn on Xenial-Ocata Amulet test definitions.
- Sync charm helpers to get Juju 2.x amulet compatibility.
- Keeping Zesty-Ocata Amulet test definitions turned off until the
metadata.yaml changes propagate to the charm store.
- Resync tox.ini to resolve amulet test failures.
- Update tests for ocata changes.
Change-Id: Iea2ee8a6a482c2eb12d695123a908ee4402722df