Add gunicorn to deploy on Heroku
Make static files be served
Add a generic favicon

favicons are a nice non-essential touch. This adds a generic
eyeglasses favicon from a site that purports to distribute free
favicons. http://www.freefavicon.com/freefavicons/objects/
Get SECURE_PROXY_SSL_HEADER from the environment

This allows us to properly identify use of HTTPS on Heroku.
Without it, we would not be able to properly identify if SSL is
being used, and make proper choices regarding whether to redirect
to SSL, etc.
Add GitHub authentication
Create a basic landing page with some user details