Windows: replace cm_allServersp list with osi_queue

Replace the cm_allServersp list with an osi_queue.  This simplifies
the Add/Remove functionality which will be required in case of VLDB
server uniquifier changes.

Reviewed-on: http://gerrit.openafs.org/10762
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 311505170d59360b3c3dd67f789f395b7278bbbe)

Change-Id: I24ec0e553467cf538c23b3ac7b9d51e13ba878aa
Reviewed-on: http://gerrit.openafs.org/10778
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Windows: cm_GetAddrsU wrapper for VL_GetAddrsU

cm_GetAddrsU() is a wrapper for the VL_GetAddrsU() RPC.  The initial
version is a bare bones replacement for the VL_GetAddrsU() call from
cm_UpdateVolumeLocation().  Future changes will add caching.

Reviewed-on: http://gerrit.openafs.org/10763
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 74982e6ae1919f81184d221b56aba7f153d188ed)

Change-Id: I825e4abb42ebcce2d1ab149b5e633977817713c1
Reviewed-on: http://gerrit.openafs.org/10779
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>