in app/models/gitlab/MergeRequest.scala [13:19]
def fromGithub(status:String) = (status: @switch) match {
case "open"=>opened
case "closed"=>closed
case _=>
//this is kinda placeholder; should break in a nice obvious way if we need to add anything
throw new NoSuchElementException(s"Did not recognise github status $status")
}