Merge branch 'puppet_working_dir' of https://github.com/ColinHebert/packer into ColinHebert-puppet_working_dir

provisioner/shell: remove file after exec [GH-1536]

builder/amazon: Update docs on ssh_private_key

Vmware iso: Add vmx disk template path for builder

provisioner/chef-client: run cleanup on node [GH-1295]

provisioner/chef-client: chmod the directories

Merge branch 'chef-client-client_key' of https://github.com/ameir/packer into ameir-chef-client-client_key

update to most recent

make make updatedeps actually update deps

Document Amazon Block Device Mapping fields

builder/docker: support custom communicators