TINKERPOP-1130 Add gremlin-test back as compile scope.
TINKERPOP-1130 Add gremlin-test back as compile scope.

It can't be test scope since non-test code uses commons-io which comes from gremlin-test. Shouldn't be any harm in including gremlin-test this way as this is a utility module that isn't deployed or anything.

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