- This change adds constratins support
- This change removes pretty_tox which
failed on python 3 in favor of stestr
- This change adds py36
- This change removes the broken cover env
- This change adds libvirt-python as a test
requirement
- This change adds a reno stub for confromance
to the PTI.
Change-Id: I116566c317b360ea325a06a8fbd11e29688cf602