Heroku Deployment Guide

Include two sections, one for Heroku button deployment and one for generalized deployment (e.g. using rake app:setup and manual configuration of the application, see this comment).

Instructions go here:

1. Click on "Deploy to Heroku" button
2. Instructions in Heroku form (w/ screenshots)
3. set up app name
4. properly enter RAILS_HOST_NAME
5. Post-deployment instructions (screenshots)
6. set up e-mail authentication configs
7. change the superuser login info / profile
8. change the app configs (particularly e-mail)
9. schedule cron jobs if desired