Lack of Drag and drop order configuration for statuses, trackers, roles...
Hi,

Redmine 3.3 supports "Drag and drop order configuration for statuses, trackers, roles" feature but in your UI doesn't have it. Please check the default theme here:

![image](https://cloud.githubusercontent.com/assets/5027251/16938278/2bf9b59a-4da0-11e6-8205-d99bb058bc1f.png)

Thanks,
Anh
