update pyloxi to floodlight/loxigen-artifacts@60b6e39c8a5dddade0ad293da512d9dd57ed2f98
Merge into master from pull request #127:
update pyloxi to floodlight/loxigen-artifacts@60b6e39c8a5dddade0ad293da5 (https://github.com/floodlight/oftest/pull/127)