rails-api/active_model_serializers — pull request #655 by wouterw (2014-09-19 08:32:41+00:00)
Title: Fix Rails Master

Looks like rails master is now calling `_render_with_renderer_json` instead of `_render_option_json` as of
https://github.com/rails/rails/commit/4dfe140ef3fbed34e6ae8af3b32402630a4690a1