TDE distros don't really need kdm4 which was proposed as
a replacement by zerg@ (for all the valid reasons but kdm3
wasn't maintained at that point, this has changed since).

installer-feature-no-xconsole depends on stage2 bits and is
NOT intended for installed/live systems at all; let's move
to the proper stage3 based one.

lightdm-1.1+ handling had to be corrected
regarding the separate greeters.

This could harm the debug...

Thanks slava@ for the packages and inspiration,
and aris@ for the useful advice and fixups.

It is actually an effort by glebfm@ to create an experimental
systemd-based Simply Linux LiveCD; I merely reviewed the original
diff, moved kernel related bits to firmware (see preceding commits)
and introduced a dedicated pkglist namespace by creating a directory.

Status updates and readability tweaks all over the place.

Now is the time for all fonts to be pulled in when needed and not
along with the X server and hardware drivers; tablet support is
moved to a (preexisting) specific target either.

There's no need now to arch-discriminate a few older drivers too.

The previous configuration would result in intel-only
3D being available since nouveau and radeon kernel modules
are packaged separately with most kernel-images; getting
NVIDIA/AMD drivers in is more tricky due to availability
of both proprietary and free implementations with the choice
being rather a tradeoff in each case (somewhat less so with
ATI/AMD drivers).

So this is a first shot at the problem: FlightGear would
freeze on me with today's nouveau.

As noted in doc/assumptions.txt, the SHELL based target tracing
only works for rules with recipes, even empty but present ones.

The simplest thing to do is hooking "; @:" onto the rule's tail
(one-liner with a non-printing shell builting "true" command).

It looks like the intermediate targets aren't all equal:
some define a finished feature while some create a common
lower level piece of configuration.

Let's do shortcuts for the former so that a distro line can be
more terse and descriptive; help targets in features.in/ tweaked
accordingly.

The package list taken from mkimage-profiles-desktop
and trimmed down due to current TDE packaging difference
as well as extras being defined elsewhere.

It's preferred for Razor-qt's logout app to be able to turn
the system off or reboot it; xdm lacks consolekit support.

Thanks Alexander Sokoloff for the hint.

Some parts of *image* configuration started slipping down
into the *feature* configuration, and that was wrong; fixed.

Also introduced proper use/live/x11 (via use/x11/xorg with added
wacom support for the sake of #26723/#26724) and rebased the
pre-existing descendants onto it.

As too many things started duplicating between distros proper
and (e.g. corresponding) LiveCDs, it became apparent that a class
of entities which end up working for THE_USER (not a sysadmin,
and not a developer, just a Linux user) is in need.

So THE_KMODULES will power installed basesystem and live image,
while THE_PACKAGES, THE_LISTS and THE_GROUPS will participate
in building those.

(these *really* should be added atomically with the changes!)

This one is pre-alpha quality and very basic but complete enough
to crank out an icewm.iso successfully installing and booting
into xdm ;-)

(actually a week's on-and-off work including a pile of
underlying infrastructure stuff which was planned already
just not there yet)