+ to fix issues from Debian for grml-live builds. It is automatically
+ activated if you are building against unstable/sid and should
+ be used manually only if you realy know what you are doing. :)
+ * Replaced /etc/grml/fai/files/etc/apt/preferences
+ with /etc/grml/fai/apt/preferences so grml-live repository
+ can be used and configured at a single place.