Add a procfile
Add Production environment to Procfile
Set up Yesod to work w/ heroku
Use integers for port values coming out of DATABASE_URL
Add Review handler
Add basic side-by-side and unified views (without context)
Failed attempt at having unified and side-by-side use the same html, and just using CSS to restyle
WIP pull diffs from github for rendering
Pull data from github for diffs
Pull source content from github
Correctly handle trailing hunks
Correctly handle internal contexts that are short
Remove display toggle
Handle multiple files
Merge pull request #2 from cpennington/diffs-from-github

Pull from github
Use EitherT to consolidate error handling
Switch over to Haxl for accessing Github
Move .gitignore to the root
Ignore .anvil
Move the rest of the standard yesod setup to the root directory