fixed error in configuration of nodejs version
fixed error in configuration of nodejs version

nicola/rdfstore-js,ahmadassaf/RDF-Store-JS,JuniperChicago/rdfstore-js,nicola/rdfstore-js,antoniogarrote/rdfstore-js,JuniperChicago/rdfstore-js,JuniperChicago/rdfstore-js,antoniogarrote/rdfstore-js,nicola/rdfstore-js,nicola/rdfstore-js,antoniogarrote/rdfstore-js,ahmadassaf/RDF-Store-JS,JuniperChicago/rdfstore-js,ahmadassaf/RDF-Store-JS,ahmadassaf/RDF-Store-JS,antoniogarrote/rdfstore-js