massive update to incorporate version 3 protocol from Rick Macklem

conversion to queue.h list manipulation (from mycroft)

4.4BSD snapshot (revision 8.1); add 1993 to copyright

performance fixes from Rick Macklem

clear hash pointers when nfsd's terminate (from Macklem)

make kernel includes standard

September update from Rick Macklem to add accept protocol to NQMFS

keep those hash chains and LRU chains separate

update to current hashing techniques

fix up include files

nfs_netaddr_match goes to vfs_addr.c

have to include proc before socketvar.h

update from Rick Macklem (including leases)

add include of namei.h

first cut for new proc & user structs (still need to put in new vnode calling
convention): get credentials, etc, via proc; u.u_nd, u.u_spare are gone;
purge user.h; consolidate *nullops()

new copyright notice

add reference

"update from Rick Macklem"

"update from Rick Macklem adding TCP support to NFS"

delete cache entries on invalid replies

need to reference netinet as ../netinet

nonidempotent requests are needed elsewhere

need to include systm.h

from Rick Macklem