Added template override for Django Rest Framework to customize branding.
Added template override for Django Rest Framework to customize branding.

openbudgets/openbudgets,pwalsh/openbudgets,pwalsh/openbudgets,pwalsh/openbudgets,shaib/openbudgets,moshe742/openbudgets,openbudgets/openbudgets,shaib/openbudgets,openbudgets/openbudgets,moshe742/openbudgets