Use sphinx-build and cleanup unused config.
Switch to openstackdocstheme 1.20.0 and remove obsolete settings from
Update some RST files, they had wrong indentation.
- add py3 to tox.ini (gate already tests py3)
- move all tests to $GITROOT/test so they can all run
- add scrapy to test-requirements.txt to support sitemap tests
- move tests from test_items.py to test_sitemap_file.py
- fix broken sitemap tests
- add newton to list of old releases in sitemap_file.py
- ignore flake8 H101 as it returns false positives for Sphinx conf.py
- Use openstackdocstheme for docs
- Update sitemap README
- Restructure repo docs
- fix minor style issues
Update for using sphinx package so that documentation
follows the OpenStack python packaging conventions.
This contains an initial man page for the openstack-doc-test