QR Links

QR code generator that provides a direct link to the page specified. When someone scans the generated QR code it will try to log them in via guest access to the specified link.
Adds a new item to the navigation block allowing you to create QR code that directly links to the page.
This is best used when enabling guest access to a course. After
printing the QR code helper page that is generated, it allows anyone to
use a smart-phone or other device to scan the QR code and gain direct
access to a specified course.