Fixed up dev documentation since tp31 is no longer maintained after 3.1.8 CTR
Fixed up dev documentation since tp31 is no longer maintained after 3.1.8 CTR

krlohnes/tinkerpop,apache/incubator-tinkerpop,apache/incubator-tinkerpop,apache/tinkerpop,jorgebay/tinkerpop,apache/tinkerpop,apache/tinkerpop,artem-aliev/tinkerpop,pluradj/incubator-tinkerpop,artem-aliev/tinkerpop,jorgebay/tinkerpop,robertdale/tinkerpop,krlohnes/tinkerpop,apache/incubator-tinkerpop,pluradj/incubator-tinkerpop,krlohnes/tinkerpop,robertdale/tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,apache/tinkerpop,artem-aliev/tinkerpop,robertdale/tinkerpop,robertdale/tinkerpop,jorgebay/tinkerpop,pluradj/incubator-tinkerpop,artem-aliev/tinkerpop,apache/tinkerpop,apache/tinkerpop,jorgebay/tinkerpop,artem-aliev/tinkerpop,robertdale/tinkerpop,krlohnes/tinkerpop