Improve PDI package.
This PR adds the missing PDI dependencies and removes vendored dependencies from the PDI sources.
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
This PR adds the missing PDI dependencies and removes vendored dependencies from the PDI sources.