Boyscout: add RSpec to the project
Boyscout: add PhantomJS and Poltergeist to the project
Boyscout: some slight improvement to the styling of the page
Boyscout: improve sorting logic in Users#index
Boyscout: use correct data-showif for empty userlist
Boyscout: add 'staging' environment which is like production but with static assets
Boyscout: make assets pipeline work