Squashed 'hack/libbuild/' changes from 3ae7f19..6b850ad
Squashed 'hack/libbuild/' changes from 3ae7f19..6b850ad

6b850ad Update libbuild.py

git-subtree-dir: hack/libbuild
git-subtree-split: 6b850ad1b13c0350da290deb6fd3808e94740607

appscode/voyager,appscode/voyager,appscode/voyager