Fixed memory leaking

+ Patch on memory leaking for Windows netstat module (do not effect any of the previous non Windows builds)
+ Fixed potential memory leak in acme handler logic
+ Added "do you want to get a TLS certificate for this subdomain?" dialog when a new subdomain proxy rule is created

src/start.go

@@ -128,7 +128,8 @@ func startupSequence() {
 		BuildVersion: version,
 	}, "")
 	if err != nil {
-		panic(err)
+		log.Println("Unable to startup mDNS service.")
+		log.Fatal(err)
 	}
 
 	//Start initial scanning