fix(sys-auth/pambase): Drop custom sys-auth/pambase
fix(sys-apps/dbus) machine-id fixes

Properly create the /var/lib/dbus/machine-id symlink.
Create a "known" machine id as part of the build process, this will be
overwritten by the boot sequence with a "unique" one when booting for
the first time.
fix(sys-apps/baselayout): seed root user in passwd & shadow
bump(coreos-base/vboot_reference): Another hybrid MBR fix for Xen
Merge pull request #423 from bcwaldon/root-passwd

fix(sys-apps/baselayout): seed root user in passwd & shadow
bump(sys-apps/shadow): Update sys-apps/shadow ebuilds
fix(sys-apps/shadow): Drop unnecessary symlink
Merge pull request #424 from marineam/mbr

bump(coreos-base/vboot_reference): Another hybrid MBR fix for Xen
wip, switch ami to use cloudinit
wip, fixing c10n
move bootstrap fully into ami
Merge pull request #421 from gregkh/dbus

fix(sys-apps/dbus) machine-id fixes
feat(ami): refactor to use cloudinit
Merge pull request #422 from bcwaldon/bump-shadow

Drop sys-auth/pambase; update sys-apps/shadow
bump(init): bump to match coreos/init#59
Merge pull request #425 from polvi/ami-cloudinit2

feat(ami): refactor to use cloudinit
Merge pull request #426 from polvi/bump-init

bump(init): bump to match coreos/init#59