Add base-level support for extra_data to BaseResource.
Review Request #5205 — Created Jan. 7, 2014 and submitted — Latest diff uploaded
Add base-level support for extra_data to BaseResource.
Several of our API resources now support custom extra_data values. This
moves the support for this on the JavaScript side into BaseResource,
making it very easy for a subclass to work with extra_data.
All unit tests pass.
Tested manually with file attachments on image (which store coords in
extra_data), and with my new extensible fields support.