Added skybox & cleaned up server list UI

- Moved direct connect fields to a dialog as there was not enough room
- Moved room code to its own label
- Added a skybox texture to the game view
- Added the land mesh to the game view

src/main/java/seng302/visualiser/controllers/dialogs/DirectConnectController.java

@@ -0,0 +1,61 @@
+package seng302.visualiser.controllers.dialogs;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXSlider;
+import com.jfoenix.controls.JFXTextField;
+import com.jfoenix.validation.RequiredFieldValidator;
+import java.net.URL;
+import java.util.ResourceBundle;
+import javafx.application.Platform;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.Label;
+import javafx.scene.input.MouseEvent;
+import seng302.gameServer.ServerDescription;
+import seng302.utilities.Sounds;
+import seng302.visualiser.controllers.ViewManager;
+import seng302.visualiser.validators.FieldLengthValidator;
+import seng302.visualiser.validators.ValidationTools;
+
+public class DirectConnectController implements Initializable {
+
+    //--------FXML BEGIN--------//
+    @FXML
+    private JFXTextField serverAddress;
+    @FXML
+    private JFXTextField portNumber;
+    @FXML
+    private JFXButton submitBtn;
+    //---------FXML END---------//
+
+    public void initialize(URL location, ResourceBundle resources) {
+        FieldLengthValidator fieldLengthValidator = new FieldLengthValidator(40);
+        fieldLengthValidator.setMessage("Too long.");
+
+        RequiredFieldValidator fieldRequiredValidator = new RequiredFieldValidator();
+        fieldRequiredValidator.setMessage("Required.");
+
+        serverAddress.setValidators(fieldLengthValidator, fieldRequiredValidator);
+        portNumber.setValidators(fieldLengthValidator, fieldRequiredValidator);
+
+        submitBtn.setOnMouseReleased(event -> {
+            Sounds.playButtonClick();
+            connectToServer();
+        });
+
+    }
+
+    /**
+     * connects to the server
+     */
+    private void connectToServer() {
+        //TODO fix port number validation
+        ViewManager.getInstance().getGameClient()
+                .runAsClient(serverAddress.getText(), Integer.parseInt(portNumber.getText()));
+    }
+
+    public void playButtonHoverSound(MouseEvent mouseEvent) {
+        Sounds.playHoverSound();
+    }
+
+}