replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

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

libnuma: testdomain and partial implementation

initial commit of lib/numa with function stubs for the interface functions
adding implementations of some interface functions of libnuma

adding of tests/numatest domain to check libnuma