Global labels taxonomy
See Global taxonomies for instructions. It is possible to display logos for labels, you can add them to Global labels taxonomy logos
Current status
Last sync to Open Food Facts: June 24th 2016.
Note
If a label exists only in one language (e.g. French "AB Agriculture Biologique"), put that language only.
Otherwise always put the English en: version first.
Taxonomy
The taxonomy is now managed directly on github: https://github.com/openfoodfacts/openfoodfacts-server/blob/master/taxonomies/labels.txt