Created Test for PriceListIUD

Renamed Supplier components to PriceLists to PriceAgreements,.
Renamed CompanyTrustedSuppliers to CompanyUserSuppliers.
Fixed a bug that could have lead unexpected behavior in DatabaseTypes.
Added Constants to Consumer DLL.
Fixed some bugs that cauused PriceListIUD to malfunction.
Added Method Prototypes for IElectronicPriceAgreementService.
Implemented Interface in service.
Added Properties to types.
Added PrimaryKeys to PRICE_LIST_ADJUSTMENTS.
Added new Entity, Added new contract definitions.
ElectronicPriceAgreement Contract Augmentation

Added Constructors to CompanySupplier
Added Constructor to CompanyUserSupplier
Changed Type properties.
Turned fields in Supplier to Properties.
Added Ctor for certain types.
Update Electronic Price Agreement Types and Prototypes.
Added Behaviors to EPA Project.