fix api embed to use the correct serializers (fix #998) (#1029)
fix api embed to use the correct serializers (fix #998) (#1029)

* use correct serializer for singular embeds in api (almost fixes #998)

* fix has_many api embeds too!

* unused arg

metamaps/metamaps_gen002,metamaps/metamaps,metamaps/metamaps,metamaps/metamaps,metamaps/metamaps_gen002,metamaps/metamaps,metamaps/metamaps_gen002,metamaps/metamaps_gen002