Switch from python setup.py to calling sphinx-build directly, add
a new doc requirements.txt file.
Change-Id: I199b8ceff5740c775804ff0db52704df8cbd7b86
Start creating the structure needed to run tox-docs on our project.
Change-Id: Ia9431073189be91fbfdd36fa0781e4bd504adedb
Depends-On: I5999b95cd1e8140118ed65cd35ff87931da79d52
Signed-off-by: Paul Belanger <pabelanger@redhat.com>