sysupdate: don't force usage of 9front upstream
add list of known issues
fix 9660 mounting
add future plans
remove flchk

flchk is utterly broken. `check` in fossilcons should be used instead.
bootrc: replace with ANTS plan9rc
update release info
use plan9rc
boot: add ants files
update default profile
termrc: start tcp17019 listener
installer: ANTS changes. DEPENDS ON tools.tgz
fstype: detect fossils
doc: add ants paper
add missing docs
factotum: add -x to not mount /net/cs
term: clean up initialization
fshalt: better support for netbooting, venti, and fossil
9fs: use main/archive from /srv/boot as fossil dump