WIP media type registry with singleton instance#24

Draft

pgomulka wants to merge 7 commits intocompat_plugin_inside_rest_requestfrom compat/media_type_registry

+321-103

Commits on Oct 7, 2020

media type registry with singleton instance
pgomulka
committed

Commits on Oct 12, 2020

Commits on Oct 13, 2020

remove mediatypedefinition
pgomulka
committed

Commits on Oct 15, 2020

passing a mediatyperegistry to plugin, but keeping the signature the same
pgomulka
committed
do not use global media type registry in sql
pgomulka
committed
Merge branch 'compat/pull_supported_media_types' into compat/media_type_registry
pgomulka
committed