fix reference to BELParser default resources
fix reference to BELParser default resources

refs OpenBEL/bel_parser#44

OpenBEL/openbel-server,OpenBEL/openbel-api,OpenBEL/openbel-api,OpenBEL/openbel-server,nbargnesi/openbel-server,nbargnesi/openbel-server,OpenBEL/openbel-server,nbargnesi/openbel-server,OpenBEL/openbel-api,OpenBEL/openbel-api