usr/lib/mdev/{dvbdev,usb*}: removed buggy scripts
added minimal /etc/group
BUGS: group entry update
/lib/mdev/ide_links: minor clean up
added /lib/mdev/dm_link to take of dm symlink
/etc/mdev.conf: update/clean up: +dm symlink entry
Makefile: update/clean up: removed buggy script and added dm_link
ChangeLog: mdev files clean up entries
svc/zram.confd: commented out shm line (this broke it!)
init: minorf fix rootfs level number