Heroku/dokku deployment

![image](https://f.cloud.github.com/assets/2350526/1797311/f5e94034-6aca-11e3-902d-aad407ae6b91.png)


And this is what it does. It also may crash nginx. 
good idea. let's move this into `/docs/deploy.md` when that folder gets set up. as per 2scoop's convention: https://github.com/twoscoops/django-twoscoops-project/blob/develop/docs/deploy.rst