windows-continued-refcount-cleanup-20060124

windows-continued-refcount-cleanup-20060124

* re-enable LogoffTokenTransferTimeout and LogoffTokenTransfer.
  Tokens are now destroyed at logoff based upon the values specified
  here.  Default is ON and 120 seconds.  Setting this to OFF will
  result in tokens never being destroyed.  This will leak memory.

* protect global queues with mutexes and avoid a variety of race
  conditions.

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This delta was composed from multiple commits as part of the CVS->Git migration.
The checkin message with each commit was inconsistent.
The following are the additional commit messages.
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rollback unintended commit