remove network name from stp in gole rdf parser and raise error when trying to get non-existent stp
remove network name from stp in gole rdf parser and raise error when trying to get non-existent stp

NORDUnet/opennsa,jab1982/opennsa,jeroenh/OpenNSA,NORDUnet/opennsa,NORDUnet/opennsa,jeroenh/OpenNSA,jeroenh/OpenNSA,jab1982/opennsa