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>

Move canonical definitions of MIN/MAX macros to bitmacros.h, remove duplicated definitions in lib and usr

Signed-off-by: Simon Gerber <simon.gerber@inf.ethz.ch>

Merge from ASPLOS tree.

Initial version of public stable barrelfish repository.