PIM-2498 : add EventSubscriberInterface param in ProductEditType
constructor
PIM-2498 : allow to add many subscribers in product edit type
Merge branch 'master' into PIM-2498
Merge branch 'master' into PIM-2498
PIM-2498 : fix CS
Merge pull request #1050 from akeneo/PIM-2498

PIM-2498 : ProductEditType add extensibility point