Merge pull request #13 from gabriel-samfira/master

various fixes
Merge pull request #14 from gabriel-samfira/master

fix tempest return status
Zuul layout.yaml non-voting nova only

The layout.yaml zuul config file for non-voting setup, analyzing only the openstack/nova project.
Merge pull request #15 from gabriel-samfira/master

Various fixes
Merge pull request #16 from gabriel-samfira/master

Do teardown in create-environment
Merge pull request #17 from gabriel-samfira/master

Do a more selective teardown
Merge pull request #18 from gabriel-samfira/master

various fixes
Merge pull request #19 from gabriel-samfira/master

various changes
Cleanup pyc files and git repos

Remove any .pyc files and cleanup git repos.
clean .pyc files and git repos
Update update_devstack_repos.sh
Make sure devstack git branch is correct

Make sure that devstack git branch is the same with the main openstack projects' branch, to eliminate possible incompatibility errors
Merge pull request #20 from gabriel-samfira/master

vhdx image and fixes
Exclude test_metering_extensions
Enable q-metering