akka/akka — pull request #1529 by rkuhn (2013-06-05 15:00:58+00:00)
Title: add ActorRef.noSender() for the Java API, see #3429

- Actor.noSender is not accessible from Java, but it was in 2.1 so don’t
remove
- replaced all “null” in doc tests with ActorRef.noSender()