Windows: Release Notes Updates for 1.5.62

Windows: Release Notes Updates for 1.5.62

Some formatting corrections

Section 3.26 updated to describe limitations caused by Apple
Bonjour on 32-bit Windows.

Section 3.40 updated to mentions Microsoft SMB Redirector
Extended Server Timeout support.

Section 3.41 updated to describe inability of pioctl operations
to succeed on service mapped drives.

Section 3.43 updated to include Windows 7 and Server 2008
in the known issues list.

New section 3.51 on Microsoft RPC Services

LICENSE MIT

Reviewed-on: http://gerrit.openafs.org/346
Tested-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>