Rename address to name or path where appropriate

- TypedActor: address -> name
- TestActorRef, TestFSMRef: address -> name
- Props.randomAddress -> randomName
- Remote protocol: address -> name
- Address.validate moved to ActorPath

akka-remote/src/main/scala/akka/remote/NetworkEventStream.scala

@@ -67,7 +67,7 @@ class NetworkEventStream(val app: AkkaApplication) {
   // FIXME: check that this supervision is correct
   private[akka] val sender = app.provider.actorOf(
     Props[Channel].copy(dispatcher = app.dispatcherFactory.newPinnedDispatcher("NetworkEventStream")),
-    app.guardian, Props.randomAddress, systemService = true)
+    app.guardian, Props.randomName, systemService = true)
 
   /**
    * Registers a network event stream listener (asyncronously).