Use dhclient hooks instead of proprietary pump hooks for dhcphostname
set-hostname: fix missing quotes (thanks mrud)
etc/grml/pump-scripts.d/set-hostname: drop unnecessary if... clause (thanks mrud + formorer)
/etc/grml/pump-scripts.d/set-hostname: use busybox nslookup
pump hostname script: run in live mode only and use grml-hostname; update changelog
Reworked and grmlfied patch from Andreas Thienemann introduced etc/grml/pump-scripts.d, added wrapper script usr/lib/grml-autoconfig/pump-runparts, modified set-hostname to use checkbootparam and run it per default