initial work to support harvesting and exporting RDF data in formats besides xml
update all rdf handling scripts to support configurable output/input format
Merge branch 'feature/alternate-rdf-format' into develop
remove xml rdf output (to be replaced with smaller/more efficient n3)
latest version of harvested data, now in n3 rdf notation
revise harvest-related to filter dbpedia rdf to only triples where uri is subject
remove n3 data since we can't use it due to serialization/parsing issue
latest version of test dataset in xml format
switch default dataset format back to xml
latest version of network graph generated from test data
revise dbpedia download to be more efficent