mod_pubsub_serverinfo: Explicitly depend on mod_server_info Otherwise the pubsub node will not be advertised unless the admin explicitly loads that module, or another module that depends on it.

module:set_global();

local log = _G.log;

module:add_timer(60-os.date("%S"), function (now)
	log("info", "-- MARK --");
	return 90 - ((now + 30) % 60);
end);