Namespace.hs: added Dublin Core terms namespace.
Namespace.hs: added Dublin Core terms namespace.

darcs-hash:20071002061217-db1bb-73289c1f449d024df9de03b19b7e0d6e869d06dd

ddssff/rdf4h,cordawyn/rdf4h,LeifW/rdf4h,jutaro/rdf4h