test(build): add build script
bump(github.com/coreos/coreos-cloudinit/cloudinit): 6a6897831a8ada4cab112001620b08b0e31dfe89
bump(github.com/coreos/go-systemd/dbus): 57eb061b918b793c3ec3939c69a632fc4dfac8c9
bump(github.com/coreos/coreos-cloudinit/cloudinit): 19114a3ee7d5
bump(github.com/guelfey/go.dbus): f6a3a2366cc39b8479cadc499d3c735fb10fbdda
bump(launchpad.net/goyaml)
fix(.gitignore): Ignore bin/ dir