Fix bug 1588 : relative discount not working anymore
Merge branch '3.6' of github.com:Dolibarr/dolibarr into 3.6
Fix bug 1588 : relative discount not working anymore
Merge branch '3.6' of github.com:atm-maxime/dolibarr into 3.6
Merge pull request #1939 from atm-maxime/3.6

Fix bug 1588 : relative discount