Fixed the listeners not be attached the first time. DOH!

gui/src/main/scala/com/sothr/imagetools/ui/controller/AppController.scala

@@ -54,6 +54,7 @@ class AppController extends Logging {
     if (PropertiesService.has("lastPath")) {
       currentDirectory = PropertiesService.get("lastPath", ".")
       selectedDirectoryLabel.setText(PropertiesService.get("lastPath", ""))
+    }
 
     //setup the engine listener
     val system: ActorSystem = AppConfig.getAppActorSystem
@@ -66,7 +67,6 @@ class AppController extends Logging {
     this.engine.setSimilarityListener(guiListener)
     // Initialize the progress label
     guiListener ! SubmitMessage("Initialized System... Ready!")
-    }
 
     //test
     //val testImage = new Image()