Support OpenBSD 5.6
virtualbox-iso: Do not use serial console
use autoinstall instead of driving interactive install
exclude formerly-excluded filesets
use a here document to build install.conf for cleanliness' sake
forward-port "Use host HTTP(S) and FTP proxy settings" by @carletes
Don't complain if .ssh directory exists
Error out if the provisioner scripts fail
Add helper script to upload the built boxes to S3 bucket
Sort the boxes in the readme
Release OpenBSD 5.6 v1.0.0 boxes
Optionally install Puppet
Puppet installation: Exit on errors
Merge branch 'puppet-provisioner' of github.com:carletes/packer-openbsd into puppet-provisioner

Conflicts:
	scripts/puppet.sh
Puppet support for OpenBSD 5.6