You can clone with
HTTPS or Subversion.
Another thing that will increase usage is Sphinx for better documentation. And hosting of those docs on rtfd.org
Yup. RTD is coming - I've actually got some stuff I told eric I'd work on on that project, so will probably use zebra to test out those changes.
Again, fork/pulls welcome if you want it sooner than I can get to it :)
Under development in my fork in the "docs" branch. WIP at http://readthedocs.org/docs/django-zebra-doc-dev/