zfsboot: use grub version from the ISO image.

The version from the USB image cannot boot from ZFS, so we need to
replace it with the one from the ISO image while re-rolling image.

Change-Id: I93c915f9f928640837a3367b2c0522bcc48a1265
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
zfsboot: sync grub with smartos-20130503T001121Z.

Change-Id: I10951cd4a3721f5752f85288f18d8d71df9d928c
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
customize: improve run-time dependencies.

Change-Id: Ic1d2f28a0dac914678a2fa17137b0706816c6e1f
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
customize: add hostname to bootparams.

Change-Id: I705cf98a068c5d90b0af520e7df9c6ee9423a2ba
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
overlays: add firewall.

Change-Id: Ifef8611a7a5a3f0a9bc8b6a4c34234a027ad7383
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
overlays: update auto-config.

Change-Id: If6b0b3c79afafbde4abd44366c4177c944d75133
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
overlays: add fix-bootparam-hostname.

Change-Id: I2ad23453d57d8579cf07b04bf1567d1c07149a7d
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
customize: generate SHA256.

Change-Id: I426018685e5680beb5bbac045dbc4eaeeedc2d08
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>