Fully Working build with Different print locations and table loading. Pending: Bill Settlement, Modifiers, etc.

Tanshu.Accounts.Contracts/DAOFactory/PrintLocationDAO.cs

@@ -10,6 +10,6 @@ namespace Tanshu.Accounts.DAOFactory
         void Update(PrintLocationBO printLocation);
         bool Delete(int tableID);
         PrintLocationBO GetPrintLocation(int printLocationID);
-        PrintLocationBO GetPrintLocation(Guid productTypeID, string location);
+        PrintLocationBO GetPrintLocation(Guid? productTypeID, string location);
     }
 }