Changes
* zuul.d/layout.yaml: Make devel non voting (35) apatard
* Make all zuul jobs voting (27) ssbarnea
* Add tests for config_options and provider_options (23) apatard
* Testsuite devel fixes (30) apatard
* Fix linters config (26) ssbarnea
* zuul.d/layout.yaml: Remove python 2.7 centos 7 tests (21) apatard
Minor Changes
* Add python bootstrapping for FreeBSD, OpenBSD and CentOS<8 (18) 5u623l20
Bugfixes
* Add documentation (28) JamesWrigley
* allowing merge_dict calls to correctly update the main dict (16) smbambling
* Fix vagrant working directory (22) apatard
* Fix vagrant boostrapping on centos 7/8 (15) apatard