softupdate action.
* Remove /var/log/fai/* in class RELEASE.
* Generate md5sum of windows binaries.
- * Upgrade via aptitude upgrade in update process.
+ * Upgrade via aptitude [safe-]upgrade in update process.
* Rename /etc/grml/fai/grml/grml_cleanup_chroot.no_online into
/etc/grml/fai/grml/grml_cleanup_chroot.online
* Purge removed packages via /etc/grml/fai/grml/grml_cleanup_chroot