* UDLdap.py: more useful exception if our array assumptions are violated.
* ud-guest-upgrade: do not add but replace privateSub.
* Editorial edits to the salsa paragraph prepared by Joseph Herlant.
+ * ud-replicate: remove chroot support as we no longer use
+ historical dchroot.
[ Ansgar Burchardt ]
* ud-mailgate: include name of unknown host in error message