Adding back lost changes and finishing splitting last controllers.

- renamed fxml and their controllers to match
- removed old controllers
- finished lobby and lobbyhost controllers

#story[1261]

racevisionGame/src/main/java/visualiser/Controllers/NotificationController.java

@@ -0,0 +1,35 @@
+package visualiser.Controllers;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.paint.Color;
+import javafx.scene.text.Text;
+import javafx.stage.Stage;
+
+/**
+ * Controller for a popup notification regarding user activity.
+ */
+public class NotificationController {
+    private @FXML Label lblDescription;
+    private @FXML Text txtMessage;
+
+    /**
+     * Closes the popup window once clicked.
+     */
+    public void ok(){
+        ((Stage)lblDescription.getScene().getWindow()).close();
+    }
+
+    /**
+     * Displays the appropriate popup notification.
+     * @param message message for the user
+     * @param warning if true warning text shown, if false success text shown
+     */
+    public void setMessage(String message, Boolean warning){
+        lblDescription.setText(message);
+        if (!warning){
+            txtMessage.setText("Success!");
+            txtMessage.setFill(Color.GREEN);
+        }
+    }
+}