made sure tests no longer fail due to too long ClientOrderNumber or CustomerReference fields
added test for invoice order with orderrows specified exvat+vat to CreateInvoiceOrderTest
added test for paymentplan
added validation test for order rows with different price specification methods to CreateOrderBuilder
added validation of single order row price specification method to OrderValidator
Merge branch 'cherry-pick_INTG-515' into PriceIncludingVat
added class WebPayItem containing all Item entrypoint methods, deprecated class Item
removed referece to Requestable class, cleaned up warnings, deprecated methods
fixed conflicts
OrderValidator now validates price specification method over all order row types, including fees
added negative test for validation of order row price specification
added failing test for invoice order specified incvat
fixed conflicts
fixed conflicts
specifying order rows and fees including vat working
fixed imports et al
Merge branch 'cherry-pick_INTG-519' into PriceIncludingVat
added acceptance integration test and failing unit test for specifying row price as incvat and exvat
correctly handles incvat+exvat row price specification
Merge branch 'cherry-pick_INTG-523' into PriceIncludingVat