added conneg for action/userbyid so that foaf can be delivered to clients that want application/rdf+xml
added conneg for action/userbyid so that foaf can be delivered to clients that want application/rdf+xml

darcs-hash:20080801164623-b1e77-1e8786743cc02e3d6f2320edff0f2f474f4ed76b.gz

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