replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

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

device manager is now converting port allocation requests into
filters and sending them to queue_managers.

The replies are not yet returned back to applications.

--HG--
rename : usr/netd/portalloc.c => lib/net_device_manager/portalloc.c
rename : usr/netd/portalloc.h => lib/net_device_manager/portalloc.h