emberjs/data — pull request #2601 by piotrpalek (2014-12-16 22:22:39+00:00)
Title: ActiveModelAdapter doesn't camelize errors

As explained in #2600, the ActiveModelAdapter doesn't camelize the errors in `ajaxResponse` which causes them to not be included in the models errors hash.
This is a first attempt at fixing the issue, as far as I've tested "it works for me" (tm)