According to Openstack summit session [1],
stestr is maintained project to which all Openstack projects should migrate.
Let's switch to stestr as other projects have already moved to it.
[1] https://etherpad.openstack.org/p/YVR-python-pti
Change-Id: I74706b3551bf0a9a56deca090d744d3156a34aa8
Bootstrap the futurist project by using the cookiecutter
template. So that the CI jobs have all the things they
need and it follows the patterns used by all other oslo
/openstack libraries.
Change-Id: I738f68448e64e14725afc5e9c998751e081e7f07