public static void Init()
    {
        // New Editor window does not support Unity 4.
        if (Application.unityVersion[0] == '4')
        {
            EditorUtility.DisplayDialog("Not supported in Unity 4", "The Easy Save Window is only supported on Unity 5 and above. Please use the tools found in 'Assets > Easy Save 2' instead.", "Ok");
            return;
        }

        ES2EditorWindow window = (ES2EditorWindow)EditorWindow.GetWindow <ES2EditorWindow>();

        window.Show();
    }
 /*
  *  Initialization should go here.
  */
 public void OnEnable()
 {
     instance = this;
 }