replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

Signed-off-by: Reto Achermann <reto.achermann@inf.ethz.ch>

harness: multihop test update processing function

Signed-off-by: Roni Häcki <roni.haecki@inf.ethz.ch>

Apply the multihop patch by alexander grest based on his bachelor thesis