Added a finished message

engine/src/main/scala/com/sothr/imagetools/engine/ConcurrentEngine.scala

@@ -234,6 +234,7 @@ class ConcurrentEngineProcessingController extends Actor with ActorLogging {
    */
   def checkForResults() = {
     try {
+      listener ! SubmitMessage(s"Finished Processing ${processed}/${processed} images")
       processorsFinished = 0
       toProcess = 0
       processed = 0
@@ -395,6 +396,7 @@ class ConcurrentEngineSimilarityController extends Actor with ActorLogging {
    */
   def checkForResults() = {
     try {
+      listener ! SubmitMessage(s"Finished Scanning ${processed}/${processed} images")
       processorsFinished = 0
       toProcess = 0
       processed = 0