Task # 559 : product customer prices by quantity, correction
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr into develop
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr into develop
Fix : set some vars when invoice is back to draft status
Merge pull request #653 from atm-maxime/develop

Set draft function