Updating most NetBSD 4.0 install instructions to 4.0.1.
NetBSD/landisk works since quite some time.
NetBSD/cats and /macppc 4.0 -> 4.0.1.
NetBSD/evbmips 4.0 -> 4.0.1.
NetBSD/hpcmips 4.0 -> 4.0.1 verified.
NetBSD/pmax and /arc 4.0 -> 4.0.1 verified.
Updating man page date June -> November 2008.
Moving back gxemul-legacy to gxemul.
Copying back gxemul-legacy/trunk to gxemul/trunk
