(1) Be nicer about mtree file missing.  (Actually, just suggest where     you can get one from.)
(1) Be nicer about mtree file missing.  (Actually, just suggest where
    you can get one from.)

(2) Use "reinstall" as DEPENDS_TARGET if target is "reinstall".  In
    particular, this will make it possible to do a "make reinstall" on
    several NFS clients and have them install all dependencies
    correctly.
Tested by:	davidn

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase