akka/akka — pull request #942 by viktorklang (2012-12-13 15:21:41+00:00)
Title:  #2799 - Making sure that 'null' is boxed when going across TypedActors ...

...to make sure that it also works over remoting

WARNING: I am not convinced this is the best solution, imo it's better to make sure that nulls can travel across the wire, it will also be a less intrusive change, and a more performant change. But it's ultimately up to the Akka team