* Use version number of grml-live inside script and write
it to the logs as well.
* Log executed grml-live command line.
+ * Set FAI_DEBOOTSTRAP_OPTS="--exclude=dhcp-client,info"
+ by default.
* Set $SECONDS to unknown if $start_seconds is not set.
* Improve directory handling for $LOGFILE.
* Add new packages to GRML_FULL: