Add shoulda-matchers and factory_girl_rails and update all outdated gems to latest versions.
Add ember-auth-rails, bcrypt-ruby and active_model_serializers gems.
Add normalization stylesheet (normalize.css)
Remove body background color and add some padding.
Load ember-auth and have working login form make request on submit.

We don't have the Rails side implemented but at least we know EmberAuth
is working.
Add rspec-rails and json_spec.
Use DS.RESTAdapter for data store.
Add name and authToken, remove full_name.
Add user registration form with users service for creating new user.

* users controller create action spec
* user model spec
* factories for specs
* working registration form using Ember Data to save user object
creating new user on the Rails end