
Make a few cleanups: - Remove obsolete sections from setup.cfg - Remove install_command from tox.ini, the default is fine - Switch to sphinx-build - Enable warnings for doc build, fix all warnings - Remove git handling from conf.py, openstackdocstheme does this now - Cleanup tox.ini Change-Id: I51796be20596afc2305c2d8ea189b4037bd28b2d