common: add Mac OS X support
threads: add Mac OS X support
util: add basic Mac OS X support
util_fs: add Mac OS X support
umcf: add Mac OS X support
include: more Mac OS X stuff
ipc_pipe: add Mac OS X support
servicecore: add Mac OS X support
wx_controls: add Mac OS X support
usercore: add Mac OS X support
service_pipe: hack for Mac OS X compatibility
src/cmake: fixup