Seems like there is a bit of extra processing and stuff going on in the gremlin-python build automation. Most notably:
1. there are two executions of jython when only one seems necessary
2. doing a -DskipTests skips more stuff than it probably should - would be nice to skip testing and still get valid packaging. not sure how probably this will be
3. there's a number of seemingly superfluous settings that i don't believe serve any purpose and should be removed. validate that that they can be removed and if not, figure out what they are so the don't seem so superfluous any more.