Modify config/app
Add host to link
Add Sidekiq
Use heroku ENV to set host
Change from address format
Remove mail viewer comment
Change config static asset setting
Add redis
Use Sidekiq to send mails from background jobs
Add Procfile
Add Redistogo
Set Redistogo ENV variables
Add Unicorn
Fix Unicorn config
Fix Unicorn config
Add Sentry Raven
Setup deployment pipeline