replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

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

libc: removing newlib, adding BSD libc
posixcompat: moving gettimeofday to libc
harness: adding a simple math test
lwip, lwip2: moving includes to /include, compiling with BSD headers

Signed-off-by: Adam Turowski <adam.turowski@inf.ethz.ch>

Made benchmark_tcp initialization non-blocking
The blocking version prevents the benchmark from running linked directly
against the driver (since it needs to be able to use its internal
polling loop).
---
usr/bench/net_latency/elb/benchmark_tcp.c | 28 ++++++++++++++++------------
usr/bench/net_latency/elb/tcp_server.c | 19 ++-----------------
usr/bench/net_latency/elb/tcp_server_bm.h | 4 ++++
usr/bench/net_latency/elb/udp_server.c | 1 +
4 files changed, 23 insertions(+), 29 deletions(-)

Added tcp benchmark code. This benchmark works with e1000n,
and yet to be tested on e10k.