First hacky pass at displaying raw data
Simplifying raw data renderering support
Add `override_method` context manager and cleanup.
Include serialized content in raw data form.
Preserve tab preference in cookies.
Fix tab preferences on PUT forms
Fix indenting on raw data forms
Merge branch 'master' into display-raw-data
Fix multipart error when used via content-type overloading
Drop broken placeholder serializations.
Fix failing empty serializer test
Browsable API tab preferences should be site-wide