zendesk/ember-resource — pull request #89 by jish (2014-07-10 21:57:11+00:00)
Title: Do not share internal data with other objects.

@jamesarosen @dadah89 @vcekov @shajith

If we set a nested resource on an object, we do not want to take over that object's internal data structures. We were accidentally using a reference to the nested object's `data`. So when we we modified the `data` of the parent object, the nested object would change as well.