used josef scan code and added a scan duration
turned barcode on and off
drag and spin code now have their own drag and angular drag

both set theirs when mouse is pressed and reset to old values on mouse
up
Merge branch 'master' of https://github.com/peregrinustyss/Till

Conflicts:
	Assets/Kassa1.unity
	Assets/Standard Assets/Scripts/ScanDetection.cs