Windows: afsio reduce library link list

When linking afsio many of the libraries specified in the EXELIB3
list were unnecessary.  The only lib in the list that is required
is libcmd.lib.  Rename EXELIB3 to LIBCMD and prune the rest.

Reviewed-on: http://gerrit.openafs.org/9301
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 9d4f7ca48cf1f553bbb566e715fe986627a5d47f)

Change-Id: Id77bf5f11d145806db71cd983d236c8217a4bbf6
Reviewed-on: http://gerrit.openafs.org/9306
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Windows: Build libafsauthent.dll against mtafsubik.lib

Instead of building a private copy of the ubik objects, link
against mtafsubik.lib.

eviewed-on: http://gerrit.openafs.org/9302
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 87f2a92afb58660846d39c71ce630c3acfb72020)

Change-Id: Ie3c57d76709336261e11e2959eb384c1de990c78
Reviewed-on: http://gerrit.openafs.org/9307
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>