add qr as a valid style
add a buddy qr code and recognize
util to generate qrcode
generate a qr code for the survey
generate other qr codes if required
add qr code info and default to qr
fix questoinnaire typo
Fixing comment to be correct
Using latex macro to generate qrcode image
Updating qrcode error correction to 'H' (high)
when installing sdaps copy python files to share as well.  fixing path for setuptex to copy files to correct location
default barcode style to 128
dont include barcode macros for every page
copyright/license info
update comment
Use new qrcode LaTeX package.

This commit also improves the layout a bit.
Update paths for qrcode style.
Remove unused installation of .py files again.
Ignore all .sty files in example directory.