Imports
- golang.org/x/sync/semaphore
- github.com/dustin/go-humanize
- github.com/shomali11/proper
- github.com/sirupsen/logrus
- github.com/nlopes/slack
- github.com/shomali11/commander
- github.com/travis-ci/vsphere-images
- github.com/vmware/govmomi/vim25/progress
- github.com/vmware/govmomi/object
- github.com/travis-ci/imaged/rpc/images