feature: improve user information on queued uploads (#210)

* feature: improve user information about queued uploads

src/com/sheepit/client/standalone/GuiSwing.java

@@ -237,6 +237,13 @@ public class GuiSwing extends JFrame implements Gui {
 		}
 	}
 	
+	@Override
+	public void displayUploadQueueStats(int queueSize, long queueVolume) {
+		if (activityWorking != null) {
+			this.activityWorking.displayUploadQueueStats(queueSize, queueVolume);
+		}
+	}
+	
 	@Override
 	public Client getClient() {
 		return client;