Log message:
Improve EGG_NAME default to work for packages with '-' in their name.
Remove now unnecessary overrides in various packages.

Fix various problems while here, including marking packages as not ready
for python-3.x.

Log message:
Import py27-django-mathjax-0.0.5 as wip/py-django-mathjax.

Django-mathjax is an application to easy include MathJax
bin your django projects as dependency, and easy configure
django settings.