Set up controller classes for lobby and host. Made changes to TitleController and MainController. Title screen can now enter lobby and host.

#story[1087]

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

@@ -0,0 +1,46 @@
+package visualiser.Controllers;
+
+import javafx.application.Application;
+import javafx.fxml.FXML;
+import javafx.scene.control.*;
+import javafx.scene.layout.AnchorPane;
+import javafx.stage.Stage;
+import mock.app.App;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ResourceBundle;
+
+/**
+ * Created by zwu18 on 25/07/17.
+ */
+public class HostController extends Controller {
+
+
+    @FXML
+    TextField gameNameField;
+
+    @FXML
+    TextField hostNameField;
+
+    @FXML
+    AnchorPane hostWrapper;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+    }
+
+    public void hostGamePressed() throws IOException{
+        System.out.println("TODO: Run mock");
+    }
+
+    public AnchorPane startWrapper(){
+        return hostWrapper;
+    }
+
+    public void hostGame(){
+        hostWrapper.setVisible(true);
+        System.out.println("Reacted hostGame");
+    }
+
+}