[RFC/Patch v3] PR 16113: Allow gdb.Field objects as subscripts on gdb.Value objects

[Eli Zaretskii]

> Date: Thu, 12 Dec 2013 11:36:01 -0800
> From: Siva Chandra <sivachandra@google.com>
> Cc: Eli Zaretskii <eliz@gnu.org>
> 
> This requires a doc review as there is small addition to NEWS and
> gdb.texinfo after Eli approved the changes last.

Done.