- removing sitepackages in tox.ini to avoid test env pollution
- skip_missing_interpreters in tox.ini set to False to avoid false
positives by skipping missing interpreters.
- add missing zuul.yaml to configure check/gate tests.
Change-Id: I60a7b5163c311ba929e8b44d2ff022bb75423b3c
* Add unit tests
* Fix path to repo in layers.yaml
* Ignore unit_tests etc in layers.yaml
* Make set_state calls consistently from conversation
* Setup travis (interim step until this interface is in OpenStack
gerrit)