First github page.
Add 'doc/_build/html/' from commit 'e94bc01a421115bad05032cbbe4598f666638b7b'

git-subtree-dir: doc/_build/html
git-subtree-mainline: 5bbbcf1d3b85d5a8f8c92d7b715f99a0a5978c60
git-subtree-split: e94bc01a421115bad05032cbbe4598f666638b7b
Initial Sphinx documentation.
Clear old cruft.