use a non-public rightsHolder for both EML and Annotation test documents now that the RDF subprocessor checks each annotation to see that it came from a user that as write permission for the object being annotated.
allow indexing of RDF documents - provide a sparql query that will return values for the field name. Using measurement_sm initially (a dynamic multivalued solr field). https://projects.ecoinformatics.org/ecoinfo/issues/6253