received Supervise from unregistered child Actor, see #2485

* The problem was that RemoteRouteeProvider didn't attachChild
  when creating routees
* Added test for it

akka-remote/src/test/scala/akka/remote/RemoteRouterSpec.scala

@@ -67,10 +67,10 @@ akka.actor.deployment {
     nr-of-instances = 4
   }
 }""").withFallback(system.settings.config)
-  val other = ActorSystem("remote-sys", conf)
+  val otherSystem = ActorSystem("remote-sys", conf)
 
   override def atTermination() {
-    other.shutdown()
+    otherSystem.shutdown()
   }
 
   "A Remote Router" must {
@@ -199,6 +199,25 @@ akka.actor.deployment {
       system.stop(router)
     }
 
+    "set supplied supervisorStrategy" in {
+      val escalator = OneForOneStrategy() {
+        case e ⇒
+          println("## " + e)
+          testActor ! e; SupervisorStrategy.Escalate
+      }
+      val router = system.actorOf(Props.empty.withRouter(new RemoteRouterConfig(
+        RoundRobinRouter(1, supervisorStrategy = escalator),
+        Seq(Address("akka", "remote-sys", "localhost", 12347)))), "blub3")
+
+      router ! CurrentRoutees
+      EventFilter[ActorKilledException](occurrences = 1) intercept {
+        EventFilter[ActorKilledException](occurrences = 1).intercept {
+          expectMsgType[RouterRoutees].routees.head ! Kill
+        }(otherSystem)
+      }
+      expectMsgType[ActorKilledException]
+    }
+
   }
 
 }