add hook printObjectLine on product supplier prices list
Add hook printObjectLine supplier order and supplier invoice
Add trigger on deleteline for supplier order and move trigger on deleteline for supplier invoice after delete sql query
correction : delete trigger must be called before the delete of object
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr into develop
Merge pull request #1409 from atm-geoffrey/develop

Add hooks and triggers on supplier invoice, supplier order and product supplier price