rename rdf xml url to RDF for consistancy with EAD xml
rename ead RDFa template filter to be more specific about what it does
update ead rdf template filter to support specifying a default relation [#46495987]
update series/index template with header reference to RDF xml [#46495987]
include origination name in series/index xml for generating rdfa [#46495987]
update indexentry template to output RDFa correspondence info when appropriate [#46495987]