Setup correct locales on ganeti nodes
Move debconf-utils package to apt_source/init.sls
Rebuild ganeti without socat compression

We compress gnt-backup images on backup server filesystem,
don't do it twice.
Handle timezone on ganeti nodes
Move instance_debootrstrap into separate sls

Also handle customization by copying variants, hooks, etc.. from
salt master.
Add KVM nested virtualization support (disabled)

For now this state will be desabled.
add atop and ncurses-term (needed for 256color terms)