Update all the things

Fixes https://github.com/searls/lineman-ember-template/issues/6

Updates
- vendor js libraries
- package.js dependencies
- Ember App code
- config/server response

I did not updated the spec because I have not figured out how to run it.
https://github.com/searls/lineman-ember-template/blob/master/spec/models/hello_spec.coffee