AnyOf, a tool for composing permissions for DRF
switch to SlugOrIdMixin for CategoryViewSet
simplify and improve authorization objects
slug-or-pk field
simplify abuse resource serialization/unserialization
support None in TranslationSerializerField
Remove app_to_dict and AppResource, add AppSerializer and AppViewSet
fireplace too
fix up links, and changes in output
convert InstalledResource (bug 910554)
Fix other uses of AppResource
 Remove unused fields from Fireplace app API (bug 900568)