* refactor

1. Auth module was initialized inside dns.go - now it's moved to initWeb()

2. stopHTTPServer() wasn't called on server stop - now we do that

3. Don't use postInstall() HTTP filter where it's not necessary.
Now we register handlers after installation is complete.

home/control_install.go

@@ -356,6 +356,8 @@ func handleInstallConfigure(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	registerControlHandlers()
+
 	// this needs to be done in a goroutine because Shutdown() is a blocking call, and it will block
 	// until all requests are finished, and _we_ are inside a request right now, so it will block indefinitely
 	if restartHTTP {