restful.modelrestview: Made it possible to generate extra response data on create() and update().
restful.modelrestview: Made it possible to generate extra response data on create() and update().

Added method that can be overridden to provide the extra_responsedata
item in the response.

devilry/devilry-django,devilry/devilry-django,devilry/devilry-django,devilry/devilry-django,vegarang/devilry-django,vegarang/devilry-django