+ * Fix 'dependency problems' handling in buildd functions.
+ * Add buildd/remove_isos.sh to remove generated ISOs.
+ * Support kernel upgrades via according /etc/kernel-img.conf configuration.
+ * Set hostname in instsoft-hook already.
+ * Add user (grml) to all relevant groups.
+ * Improve initrd+kernel copy process: ignore .bak files (and get rid
+ of them) and copy always exactly one image.