Change-Id: I8b2e9e20e477f2f00ad922f03e82114ff13212fe
According to OpenStack summit session, stestr is maintained project to which all OpenStack projects should migrate. Change-Id: I4532d02c7298b4e9e19ef079cfb1a365d4d56693
Add some files we don't want to commit but are generated by tox and reno. Change-Id: I4341af87dc186fe85088e1eacbd1476e686e83ff