Fresh start with the documentation.

- renamed doc/ to docs/
- added the kr theme
- removed all old documentation
- moved docs/source/* to docs/
- moved docs/build to docs/_build
outlined documentation
fix intersphinx
doc outlines
reorganized documentation
widgy site api docs
update review queue with changes from get_action_links and get_owners
template tags
worked on documentation (specifically api/models)
node api
populate_review_queue
preserve sphinx theme license
widgy_mezzanine quickstart tutorial
no need to use {outfile} for pyscss
not really built on treebeard
Rewrite settings to use Django 1.6 style

Also updates the mezzanine tutorial
more complete url example
preserve undo support in review queue for django < 1.5
note about undo support
remove cachebuster requirement

We can use staticfiles for the `static` tag, and just not use a `media`
tag.