replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

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

Removed some redundant (identical) files.

--HG--
rename : kernel/include/arch/x86_64/debug.h => kernel/include/arch/x86/debug.h
rename : kernel/include/arch/x86_64/pic.h => kernel/include/arch/x86/pic.h

Initial version of public stable barrelfish repository.