Ignore .DS_Store files
Delete Gemfile.lock
Ignore Gemfile.lock
Update .gitignore
Add unicorn to the Gemfile and tidy up
Add unicorn configuration file
Add Procfile
Add Gemfile.lock (Heroku needs it)
Use Postgres instead of SQLite
Update Gemfile.lock
Add rails_12factor gem and ruby 2.1.5 version to the Gemfile
Setup PostgreSQL for development
Generate scaffold for TODOs