Support for GS1 QR Code.
Merge pull request #2 from terryburton/gs1qrcode

Support for GS1 QR Code.
Parallel build on OBS and for RedHat.
New release.
Merge branch 'master' of github.com:terryburton/postscriptbarcode
Fix HIBC barcode checksums.
New release.
Merge pull request #4 from terryburton/master

Merge master into qrcode_encode