project cleanup

src/de/thm/tlf/photoViewer/Controller.java

@@ -304,6 +304,7 @@ public class Controller extends Application {
         for(PicturePreview pp: picHandler.getPreviews()){
             ImageView iv = new ImageView(pp.getImage());
             iv.setFitWidth(150);
+            iv.setFitHeight(150);
             iv.setSmooth(true);
             iv.setPreserveRatio(true);
             selectionPane.getChildren().add(iv);

src/de/thm/tlf/photoViewer/data/Picture.java

@@ -4,7 +4,6 @@ import javafx.scene.image.Image;
 
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.InputStream;
 
 /**
  * Data Class that is used for Image-Handling and -storing