Record the real messaging version in all cases in OutboundTcpConnection

if (targetVersion < maxTargetVersion && targetVersion < MessagingService.current_version)
{
    logger.trace("Detected higher max version {} (using {}); will reconnect when queued messages are done",
            maxTargetVersion, targetVersion);
    MessagingService.instance().setVersion(poolReference.endPoint(), Math.min(MessagingService.current_version, maxTargetVersion));
    softCloseSocket();
}

public int getVersion(InetAddress endpoint)
{
    Integer v = versions.get(endpoint);
    if (v == null)
    {
        // we don't know the version. assume current. we'll know soon enough if that was incorrect.
        logger.trace("Assuming current protocol version for {}", endpoint);
        return MessagingService.current_version;
    }
    else
        return Math.min(v, MessagingService.current_version);
}