Added some license interfacews

prs.classes/Entities/Product/Instance/ProductInstance.cs

@@ -5,7 +5,7 @@ using System.Text;
 
 namespace Comal.Classes
 {
-    public class ProductInstance : DimensionedEntity<ProductDimensions>, IRemotable, IPersistent, IProductInstance, ISequenceable
+    public class ProductInstance : DimensionedEntity<ProductDimensions>, ILicense<ProductManagementLicense>, IRemotable, IPersistent, IProductInstance, ISequenceable
     {
         
         [NullEditor]

prs.classes/Entities/Staging/Manufacturing/Packet/StagingManufacturingPacketStage.cs

@@ -5,7 +5,7 @@ using System.Text;
 
 namespace Comal.Classes
 {
-    public class StagingManufacturingPacketStage : Entity, IRemotable, IPersistent, IManufacturingPacketStageGenerator, ISequenceable
+    public class StagingManufacturingPacketStage : Entity, IRemotable, IPersistent, IManufacturingPacketStageGenerator, ISequenceable, ILicense<ManufacturingLicense>
     {
         public StagingManufacturingPacketLink Packet { get; set; }