Updated through part 2 of the tutorial.

- Polls and choices exist and relate to each other in the model
- The admin site is up
Part 3 of the tutorial complete

- Added templates
- Learned about request/response
- Learned about regular expressions
- Learned about constructing url paths with regexes and includes, and namespaces
- Learned a little more python
- Learned about render and get_object_or_404 shortcuts
- Learned python try/catch/raise