Dev Setup

on branch django15 (now master)

1. sudo pip install virtualenv
2. virtualenv dev15 (in root yanshen)
3. source dev15/bin/activate
4. wget https://github.com/django/django/archive/1.5b2.tar.gz
5. tar xzf 1.5b2.tar.gz
6. cd django-1.5b2
7. python setup.py install
8. rm -rf django-1.5b2
9. pip install -r dj15req.txt