Adds support for selenium

# Usage

`fab test`

`fab test_e2e`

`fab test_pep8`

and then there is

`fab deploy`

Calls python unit tests, e2e tests, jasmine tests (when they are ready), pep8, git pushes, git push heroku master


# Checklist

- [x] Add selenium
- [x] Add django-nose
- [x] Make test case with E2E attrib
- [x] E2E test works
- [x] Make test helper that only runs E2E tests
- [x] Fabric pep8
- [ ] Jasmine tests
- [x] Fabric deploy
- [ ] Get levi to switch to Waitress instead of Gunicorn