Currently our docs is only the README, this reorganized it and will
add more docs later then add a job to publish it to docs.openstack.org
Change-Id: Ic2bd2babaae863a89dfc78ad793daf2d552771f3
Also:
- add license headers
- set up tox for flake8 checks and venv
- remove run_tests.sh, tools/ and other stuff we don't need at the moment
- add basic sphinx setup for later use
Change-Id: I0d34fb9fd0bfd351d20474da88715b30ff3c3d61