Also show local path to JS linter
Also show local path to JS linter

Since the documentation does not install the node modules globally, just doing
a `gulp lint-js` would not work.

petervanderdoes/wger,wger-project/wger,petervanderdoes/wger,wger-project/wger,petervanderdoes/wger,rolandgeider/wger,kjagoo/wger_stark,kjagoo/wger_stark,rolandgeider/wger,kjagoo/wger_stark,rolandgeider/wger,wger-project/wger,rolandgeider/wger,petervanderdoes/wger,wger-project/wger,kjagoo/wger_stark