Fetch ember from the CDN
Add test-server to Gruntfile for running tests.
Update ember-data to 0.13
Add test environment, run: 'grunt test-server' and open localhost:9292/test/runner.html to see it test the application.
Use Ember.isEmpty instead of a simple null-check
Add support for phantomJS integration tests which will always run against the 'staging' server.
Show proper error when login fails.
Application modifications to support unit tests.