I just wanted to mention a thing I hacked together a little while ago. It's made it much easier to manage coding standards stuff. Your mileage may vary.

NetBeansDrupalComposed is a tiny Composer-based project that pulls in all the stuff you need to do coding standards reviews for Drupal.

Basically you install it by saying composer create-project mile23/netbeansdrupalcomposed and it builds a little project for you. Then it tells you where phpcs and other tools are located within that project. You copy-paste those paths into NetBeans and then start being done.

It lives here, as a sandbox project: