mod_pubsub_serverinfo: implemented all basic features This commit replaces the earlier proof-of-concept to a solution that: - reports on remotely-connected domains - uses disco/info to detect if those domains opt-in - publishes domain names for remote domains that do so - caches the disco/info response

module:depends("smacks");

module:hook("smacks-ack-delayed", function (event)
	if event.origin.type == "s2sin" or event.origin.type == "s2sout" then
		event.origin:close("connection-timeout");
		return true;
	end
end);