cdproto: various cleanups

- bind /n/src9 only when theres .hg directory, so you can use /root as /n/src9
- skip *.6 and *.orig files in source direcrtories
- skip *.pdf and *.ps files in /sys/man
- skip cpurc.local and termrc.local
- dont create /fd, /mnt and/n in the root
- be specific about /lib
- create /cfg/pxe

sys/lib/rootstub

@@ -88,15 +88,13 @@ mkdir -p arm/bin/replica
 mkdir -p arm/bin/upas
 mkdir -p arm/bin/venti
 mkdir -p arm/lib/ape
-mkdir -p cfg
+mkdir -p cfg/pxe
 mkdir -p cron
 mkdir -p dist/plan9front
-mkdir -p fd
-mkdir -p lib/audio
+mkdir -p lib/audio/icon
 mkdir -p lib/firmware
 mkdir -p lib/ndb
 mkdir -p lib/tftpd
-mkdir -p mail/box
 mkdir -p mail/box/glenda
 mkdir -p mail/faxoutqueue
 mkdir -p mail/faxqueue
@@ -137,8 +135,6 @@ mkdir -p spim/bin/replica
 mkdir -p spim/bin/upas
 mkdir -p spim/bin/venti
 mkdir -p spim/lib/ape
-mkdir -p mnt
-mkdir -p n
 mkdir -p power/bin/ape
 mkdir -p power/bin/audio
 mkdir -p power/bin/auth
@@ -209,9 +205,10 @@ mkdir -p sparc64/lib/ape
 mkdir -p sys/lib/dist/usr/glenda/bin/amd64
 mkdir -p sys/lib/dist/usr/glenda/bin/386
 mkdir -p sys/lib/dist/usr/glenda/tmp
+mkdir -p sys/lib/dist/cfg/pxe
 mkdir -p sys/lib/lp/log
 mkdir -p sys/lib/lp/tmp
 mkdir -p sys/lib/ssl
-mkdir -p sys/log
+mkdir -p sys/log/httpd
 mkdir -p tmp
 mkdir -p usr