Created scene to view/update current key bindings.

- Current key bindings are shown on buttons
- Added button action events to store the clicked button
- Added key press event to entire pane
- Button text is updated to display its key
- Added functionality to keyFactory to update key bindings
- CSS styling for some components

#story[1197]

racevisionGame/src/main/java/visualiser/app/App.java

@@ -3,7 +3,6 @@ package visualiser.app;
 import javafx.animation.FadeTransition;
 import javafx.application.Application;
 import javafx.application.Platform;
-import javafx.beans.property.ReadOnlyObjectProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.concurrent.Task;
@@ -15,7 +14,6 @@ import javafx.geometry.Rectangle2D;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.scene.control.Label;
-import javafx.scene.control.ListView;
 import javafx.scene.control.ProgressBar;
 import javafx.scene.effect.DropShadow;
 import javafx.scene.image.Image;
@@ -30,8 +28,6 @@ import javafx.stage.WindowEvent;
 import javafx.util.Duration;
 import visualiser.Controllers.MainController;
 
-import java.io.IOException;
-
 public class App extends Application {
 
 
@@ -170,6 +166,14 @@ public class App extends Application {
                 System.exit(0);
             }
         });
+
+        // TODO: remove later, just for testing
+        Parent root2 = FXMLLoader.load(getClass().getResource
+                ("/visualiser/scenes/keyBindings.fxml"));
+        Stage stage2 = new Stage();
+        stage2.setScene(new Scene(root2));
+        stage2.centerOnScreen();
+        stage2.show();
     }
 
     /**