Patch commit a1f014c9e180a5ae53e3a60d53b1b2ecfeccf664 from btcd Author: Dave Collins <davec@conformal.com> Date:   Thu Oct 27 18:40:06 2016 -0500
Patch commit a1f014c9e180a5ae53e3a60d53b1b2ecfeccf664 from btcd
Author: Dave Collins <davec@conformal.com>
Date:   Thu Oct 27 18:40:06 2016 -0500

    peer: Track and return advertised protocol version

    This adds a new field to the peer struct which stores the protocol
    version advertised by the remote peer and updates the StatsSnapshot to
    return the advertised version instead of the negotiated version.

BitGo/prova,BitGo/prova