@Override
    NettyConnection createNettyConnection(ChannelHandlerContext ctx) {
        return new NettyConnection(ctx, null, configuration);
    }
Outbound (S2S) specific ConnectionHandler that knows which subclass of {@link StanzaHandler} should be created
and how to build and configure a {@link NettyConnection}.

@author Matthew Vivian
@author Alex Gidman
xmppserver/src/main/java/org/jivesoftware/openfire/nio/NettyOutboundConnectionHandler.java