Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  db3d91b739de945c5a5c2e24ccfed728dfbda48b

Fix jshintrc for jenkins

Cleanup whitespace
Make sure jshint runs on tests with the config file
Remove unused variables

Change-Id: I47d1a98fa3dc4b6ed2f33bcff28fd726ea882e06