Install broccoli-sass
Add twbs navbar
Install ember-cli-esnext
Install handlebars-serializer
Use NoneLocation
Add some dummy content
Add widget handle
Add an insert-widget component
Add click-outside mixin
Basic editing options for img-content widget
Install ember-autoresize
Extract base widget functionality
Update to an Ember version that has metal-views
Basic text-content editing
Add default description to img-content
Make the article accessible from /api/articles/1
Init editor with the widgets found in the article