Pull request from Christian Ullman

Anont-

I completed the prime number, palindrome product, and series product exercises.  Additionally, I implemented the sort algorithm you presented during my interview with you and Dal.

As far as the django_test goes, I completed the "todo" app but I did not finish the JavaScript portion so its just plain html (and it is ugly too).  I am working on completing the app using the Dojo frame work.