{bower,package}.json, add ember-cli-{coffeescript,simple-auth,simple-auth-oauth2}
add routes index, login, application using SimpleAuth's ApplicationRouteMixin and AuthenticatedRouteMixin
remove simple-auth and add login controller
bower/package.json, add emberfire
environment.js: add firebase_instance
add adapters/application, sets data source to firebase
add firebase.json, configuration file to deploy to firebase cdn
add tests/test-data.json, to seed Firebase backend; add bin/firebase-test-data-import, bin/deploy