Tickets #1924 #1925 #2383 #2387 #1927 #1926

Changed unlimited blocking to block up untill the replyTimeout, and added a test for it, where manual Ack is never received ticket #1926

removed unnecesary methods

akka-docs/rst/java/code/docs/camel/Consumer4.java

@@ -11,7 +11,7 @@ public class Consumer4 extends UntypedConsumerActor {
   private final static FiniteDuration timeout = Duration.create(500, TimeUnit.MILLISECONDS);
 
   @Override
-  public Duration replyTimeout() {
+  public FiniteDuration replyTimeout() {
     return timeout;
   }