Set QOS level to 1 (2 doesn't work?)

Remove unnecessary call to JSON.stringify() in non-JSON mode

exec/mqtt_stats.js

@@ -5,6 +5,7 @@
 var mqtt = new MQTT;
 var topic = "sbbs/" + system.qwk_id + "/stats";
 var retain = true;
+var qos = 1;
 
 if(!mqtt.connect()) {
 	alert(format("Error (%s) connecting to %s:%u"
@@ -13,13 +14,13 @@ if(!mqtt.connect()) {
 }
 
 if(argv.indexOf("-json") >= 0) {
-	if(!mqtt.publish(retain, topic, JSON.stringify(system.stats))) {
+	if(!mqtt.publish(retain, qos, topic, JSON.stringify(system.stats))) {
 		alert(format("Error (%s) publishing to %s", mqtt.error_str, topic));
 		exit(1);
 	}
 } else {
 	for(var p in system.stats) {
-		if(!mqtt.publish(retain, topic + "/" + p, JSON.stringify(system.stats[p]))) {
+		if(!mqtt.publish(retain, qos, topic + "/" + p, system.stats[p])) {
 			alert(format("Error (%s) publishing to %s", mqtt.error_str, topic));
 			exit(1);
 		}