Updated names of release managers
Updated names of release managers

Grabbed names from git tags to identify who did which release, but asking on dev list for review in case i missed something CTR

robertdale/tinkerpop,apache/tinkerpop,apache/tinkerpop,robertdale/tinkerpop,apache/incubator-tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,krlohnes/tinkerpop,apache/tinkerpop,apache/tinkerpop,krlohnes/tinkerpop,robertdale/tinkerpop,robertdale/tinkerpop,apache/incubator-tinkerpop,apache/incubator-tinkerpop,robertdale/tinkerpop,krlohnes/tinkerpop,pluradj/incubator-tinkerpop,apache/tinkerpop,pluradj/incubator-tinkerpop,pluradj/incubator-tinkerpop,apache/tinkerpop,krlohnes/tinkerpop