Fix bug in bootstrap command
Fix bug in bootstrap command

It now uses the default location when no settings path is given during
bootstraping.

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