This commit introduces initial infrastructure for building documentation
using the OpenStack's sphinx extension and tox. To demonstrate that
README.md is rewritten into README.rst and should appear in
documentation built by `tox -e docs`.
Partial-Implements: blueprint docs-to-rst
Change-Id: I08ebad1c572e248a8f474e785d3bf7a19dbc4340
Michał Dulko