o no longer require kernel sources since not building lkm; if this changes,
the attic can be raided
o typo in openafs-setup comments from sthen@; thanks!
o obey CFLAGS and CC
o twiddle lwp.h patch to be OpenBSD specific
bump PKGNAME
o add README.OpenBSD (includes heimdal setup instructions)
o rework openafs-setup to use arla's afsd in base, and heimdal
o fix a bug since 4.1 to not blow the thread stack on 64bit time functions in libc