Land b1_2_smallfix onto b1_2 (20040608_1846)

Land b1_2_smallfix onto b1_2 (20040608_1846)
- clean kiobufs before and after use (b=3485)
- strip trailing '/'s before comparing paths with /proc/mounts (b=3486)
- remove assertions to work around "in-flight rpcs" recovery bug (b=3063)
- change init script to fail more clearly if not run as root (b=1528)
- fix ns_lock/i_sem lock ordering deadlock for kms update (b=3477)
- don't do DNS lookups on NIDs too small for IP addresses (b=3442)
- servers can dump a log evicting a client - lustre.dump_on_timeout=1