Alignment for print and small layout improvements
options to handle invalid vertical and/or horizontal printer alignment
remove additional padding from qr code
use qr code margin option also as minimum spacing to upper and lower label border
fix positioning of ASN number
Add Avery L7871 label definition (it's a clone of 4731)
* remove additional padding from qr code
* use qr code margin option also as minimum spacing to upper and lower label border
* fix positioning of ASN number
* Add Avery L7871 label definition (it's a clone of 4731)