Fix for #98 to show all messages when changing multi-message count.

mqtt-spy/src/main/java/pl/baczkowicz/mqttspy/ui/controllers/SubscriptionController.java

@@ -307,7 +307,7 @@ public void changed(final ObservableValue<? extends Number> observable, Number o
 			public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue)
 			{		
 				int newNumber = newValue.intValue();
-				// messagesDisplayed = newValue.intValue();
+
 				messageCountSlider.setValue(newNumber);
 
 				updateMessagesDisplayed(newNumber);
@@ -506,6 +506,9 @@ private void updateMessagesDisplayed(int newValue)
 				messagesDisplayed++;
 			}			
 		}
+
+		// Refresh all messages to populate all panes
+		eventBus.publish(new MessageIndexChangeEvent((int) messageIndexScrollBar.getValue(), store, this));
 	}
 
 	private void updateLayout(final MessageBrowserLayout layout)
@@ -593,6 +596,7 @@ private void resetScrollBar()
 		messageIndexScrollBar.setMin(1);
 		messageIndexScrollBar.setValue(1);
 		messageIndexScrollBar.setMax(1);
+
 		// TODO: this will need to be adjusted once multiple messages are displayed
 		messageIndexScrollBar.setVisibleAmount(1);		
 		messageIndexScrollBar.setDisable(true);