https://github.com/nebulab/spree-ember-example http://nebulab.it/blog/using-ember-js-with-spree https://github.com/spree/spree https://github.com/hhff/spree-ember http://spree-ember.com/core/index.html
https://spreecommerce.com/blog/category/product https://github.com/spree-contrib
spree/core/db/default/spree/states.rb SpreeSample::Engine.load_samples