SupplierProduct and agreements

[Jacopo Cappellato]

Hi all,

I'd like to add two new optional fields to the SupplierProduct entity: 
agreementId and angreementItemSeqId

In this way it will be possible to associate the supplier product 
entries to an existing agreement with a supplier. Then I will create a 
new subscreen under the Agreement screen to list and manage all the 
SupplierProduct entries associated to the agreement (and supplier).

Is it ok?

Jacopo