Use strict mode for js file.
Use strict mode for js file.

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