Add skeleton of docs for contributors

- Convert README from Markdown to RST
- Delete stale docs
- Add compiled docs to gitignore

This is just to get a rough directory layout of the documentation,
heavily influencded by the Django project's documentation. I'm also
using this to test ReadTheDocs.
fix typo
Merge pull request #5 from wehaveweneed/redo-docs

Add skeleton of docs for contributors