drop fontconfig firsttime script

fixed NBD swap when ramzswap is not available

switch default kernel flavour from ltsp-client to led-ws

updated links and descriptions a bit

if there's ramzswap, NBD gets used as a backing swap, not directly

fixed the following client-server arch combos:
i586
x86_64
x86_64 being still unsupported

s/tmc-tc/ltsp-client/

git version
fix client chroot build

Rebuild with Python-2.7

updated default ltsp-build-client regarding kernel flavour
tc was superseded by tmc-tc); thanks K. A. Bylym

finally applied tmpfs options patch by solo@ (closes: #23608)

dropped /etc/HOSTNAME tmpfs mount (should be a /proc symlink)
added "diskless fastboot" kernel options

fixed compcache support:

fixed overlooked typo in ltsp-login.sh

applied a forgotten local hatch to cope with kernel-image packages

replaced rpm-utils dependency with /usr/bin/rpmvercmp one