Updated gruntfile for release settings + added banner
Updated gruntfile for release settings + added banner

Marvin-Brouwer/QR-Reader,Marvin-Brouwer/QR-Reader,Marvin-Brouwer/QR-Redirect,Marvin-Brouwer/QR-Redirect,Marvin-Brouwer/QR-Redirect,Marvin-Brouwer/QR-Reader