emberjs/data — pull request #1956 by tricknotes (2014-05-18 05:52:59+00:00)
Title: Add package.json to built gem

`Ember::Data::VERSION` is defined by `package.json` since 7d7ccfa44.
Without thi file, ember-data-source couldn't resolve own version.

#1905 breaks ember-data-source.gem.
I'm sorry to my halfway work... :disappointed: