Imports
- code.google.com/p/go.crypto/ssh
- code.google.com/p/goauth2/oauth
- code.google.com/p/goauth2/oauth/jwt
- code.google.com/p/google-api-go-client/compute/v1
- code.google.com/p/gosshold/ssh
- github.com/mitchellh/multistep
- github.com/mitchellh/packer/common
- github.com/mitchellh/packer/common/uuid
- github.com/mitchellh/packer/packer