OPLOCK CHECK-IN - oplocks are now *OPERATIONAL* !!!!

OPLOCK CHECK-IN - oplocks are now *OPERATIONAL* !!!!
Yipeee. At least as far as I can check in a short time :-).

local.h: Changed OPLOCK_BREAK_TIMEOUT to 30 seconds.
locking.c: Big changes to delete oplocks on a share mode entry.
proto.h: updated.
reply.c: Added oplock break code in lockingX reply & readbraw reply.
server.c: Add batch oplock code. Force server shutdown if client fails
          to respond to oplock break.
smb.h: Fix silly slow share mode oplock define bug.
status.c: Add oplock status info.

Jeremy (jallison@whistle.com)
(This used to be commit 4c83d37239f15f855fc10f01d7b4bf4217fb9eda)