add newlines to the hooks/*.chroot loop to make it easier to read
create a docker user
add inittab autologin and sudo for our docker user
fix boot warning about /var/lib/docker not existing
spin up getty on serial consoles when they're available
Merge pull request #26 from tianon/autologin

Autologin, docker user, sudo, boot warning fix, and getty on serial devices only when they exist