add license boilerplate to __version__
add license boilerplate to __version__

also import __version__ in setup.py instead of eval-ing it

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