Imports
- github.com/mitchellh/mapstructure
- github.com/mitchellh/packer/builder/common
- cgl.tideland.biz/identifier
- github.com/mitchellh/packer/packer
- github.com/mitchellh/goamz/aws
- github.com/mitchellh/packer/communicator/ssh
- code.google.com/p/go.crypto/ssh
- github.com/mitchellh/goamz/ec2
- github.com/mitchellh/multistep