simplified controller action
simplified controller action

removed old js response, and split out the mark_as_read so we
can use backbone_responder

Factlink/factlink-core,Factlink/factlink-core,daukantas/factlink-core,daukantas/factlink-core,Factlink/factlink-core,daukantas/factlink-core,Factlink/factlink-core,daukantas/factlink-core