TAKE - uuid command for xfs_db

[dxm@xxxxxxxxxxxxxxxxxxxxxxx (Daniel Moore)]

get/set/create uuid for a FS. gets/sets uuids
in every AG. Doesn't handle uuid in external
log.

Modid:  2.4.0-test1-xfs:slinx:72921a
Date:  Wed Aug 23 22:16:12 PDT 2000
Workarea:  snort:/build1/people/dxm/isms/slinx-xfs
Author:  dxm

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.0-test1-xfs

cmd/xfs/db/Makefile - 1.51
        - Add uuid

cmd/xfs/db/command.c - 1.29
        - add uuid

cmd/xfs/db/uuid.c - 1.1
cmd/xfs/db/uuid.h - 1.1
        - uuid command - get/set FS uuid