Removed user-supplied dct:created values

Author: namedgraph

src/main/java/com/atomgraph/linkeddatahub/resource/Graph.java

@@ -260,7 +260,9 @@ public Response put(Model model, @QueryParam("default") @DefaultValue("false") B
 
         if (existingModel == null) // creating new graph and attaching it to the document hierarchy
         {
-            resource.addLiteral(DCTerms.created, ResourceFactory.createTypedLiteral(GregorianCalendar.getInstance()));
+            resource.removeAll(DCTerms.created). // remove any client-supplied dct:created values
+                addLiteral(DCTerms.created, ResourceFactory.createTypedLiteral(GregorianCalendar.getInstance()));
+            
             if (getAgentContext().isPresent()) resource.addProperty(DCTerms.creator, getAgentContext().get().getAgent()).
                     addProperty(ACL.owner, getAgentContext().get().getAgent());