Make get_status return errors rather than marshalling
Make get_status return errors rather than marshalling

Summary: We probably won't call this one via the persistent connection (since we will use push diagnostics) but it's good for consistency, at least.

Reviewed By: mroch

Differential Revision: D5030890

fbshipit-source-id: bc0fe226d8e5387534ce9cfea9d8c5b3949cf1bf

nmote/flow,gabelevi/flow,samwgoldman/flow,claudiopro/flow,AgentME/flow,MichaelDeBoey/flow,facebook/flow,TiddoLangerak/flow,jamesgpearce/flow,fletcherw/flow,ylu1317/flow,MichaelDeBoey/flow,jamesgpearce/flow,claudiopro/flow,gabelevi/flow,popham/flow,facebook/flow,samwgoldman/flow,fletcherw/flow,nmote/flow,popham/flow,TiddoLangerak/flow,JonathanUsername/flow,facebook/flow,AgentME/flow,AgentME/flow,popham/flow,facebook/flow,facebook/flow,fletcherw/flow,fletcherw/flow,MichaelDeBoey/flow,MichaelDeBoey/flow,popham/flow,ylu1317/flow,jamesgpearce/flow,ylu1317/flow,nmote/flow,gabelevi/flow,JonathanUsername/flow,fletcherw/flow,JonathanUsername/flow,mroch/flow,gabelevi/flow,nmote/flow,JonathanUsername/flow,mroch/flow,ylu1317/flow,MichaelDeBoey/flow,claudiopro/flow,gabelevi/flow,samwgoldman/flow,popham/flow,samwgoldman/flow,mroch/flow,nmote/flow,mroch/flow,ylu1317/flow,nmote/flow,JonathanUsername/flow,popham/flow,samwgoldman/flow,fletcherw/flow,facebook/flow,facebook/flow,jamesgpearce/flow,JonathanUsername/flow,jamesgpearce/flow,TiddoLangerak/flow,samwgoldman/flow,samwgoldman/flow,jamesgpearce/flow,nmote/flow,mroch/flow,gabelevi/flow,TiddoLangerak/flow,popham/flow,AgentME/flow,jamesgpearce/flow,mroch/flow,TiddoLangerak/flow,claudiopro/flow,gabelevi/flow,JonathanUsername/flow,claudiopro/flow,AgentME/flow,mroch/flow