MAJOR CHNAGES:
1) Shop Cart is cleared after Order Save action,
2) Connector.Update(Order) is called when save action is invoked on
previously saved order
3) Css style changed for manufacturers logos - aligned to center
4) Connector definition extended: Update(Customer) method added
5) PayPal libraries added to class path
6) PayPalServlet added to project
7) Checkout confirmation Page - prices display corrected.