the client does not handle 3xx http error codes returned by trackers

[2013-02-24 21:26:52.467] [DEBUG] http.js - Unexpected status code: 301, respons
e: <html>
<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx/0.7.67</center>
</body>
</html>
