regular.mk: don't use/live/ru

It was a desperate kludge to warrant fallback localization
for cases when livecd-setlocale failed to work out properly;
"thanks" to systemd paralizing startup the order was chaotic,
see #28991 for some details.

Now that livecd-setlocale >= 0.3.1 looks like working this
should be dropped for good.

And the proper preset solution will be l10n feature.
That one requires part of alterator-sysconfig backend
factored out into a standalone package along with its data.
added systemd-analyze to systemd pkglist

It's a great tool giving the ability to at least debug
the novel problems that weren't there before systemd.

Good that it doesn't want half of GNOME or python yet...
ve.mk: added ve/ldv

It's based on the package list provided by ldv@ and intended
for barebone OpenVZ template cache serving as a base for any
customizations needed.
server: add sshd

sshd is rather requisite, wonder how it got missed.
syslinux: ensure "default" line is there

alterator-netinst currently relies on "default"
being specified explicitly; it's wrong and it should
cope with the first "label" clause as well but we're
better off being strict to this script, not that one.

This commit should be no-op regarding syslinux itself.
regular.mk: add gpm to desktop/rescue images

Make it automatically start in desktop ones,
and let it be available in rescue too (there's
a risk of gpm picking up a wrong protocol and
selecting/pasting at random which is not exactly
the right thing for rescue environment with root
shells all around).
net: use livecd-save-nfs for LiveCDs with NM

This is to avoid NM messing with network interface
involved in NFS root filesystem being operational
(see alterator-netinst); thanks sem@ for the hint.
add NM and ARTS to regular-tde

NM/TDE is fixed (#25713), ARTS is needed.
1.1.9-alt1

- regular fixes