Andreas Jaeger a9c4ac0a69 Cleanup py27 support and docs
Make a few cleanups:
- Remove obsolete sections from setup.cfg
- Remove install_command from tox.ini, merge constraints
  into dependencies
- Enable warnings for doc build, fix all warnings
- Switch to sphinx-build
- Enable warnings for doc build, fix all warnings
- Remove git handling from conf.py, openstackdocstheme does this now

Change-Id: If7918689c7101da044a38cbb66c6d9d09f8cc53f
2020-04-09 21:36:29 +02:00
..