Fixed: uTorrent api proxy would fail on specific Win10 configurations. (The Phoenix Rises)

Moved token queryparam to start since uTorrent requires it.
Fixed handling response missing an expected Set-Cookie header.
Force Cache-Control: no-cache for uTorrent.
Added Connection: KeepAlive to fix inexplicable uTorrent api failure.

src/NzbDrone.Common/Http/HttpRequest.cs

@@ -35,6 +35,7 @@ namespace NzbDrone.Common.Http
         public string ContentSummary { get; set; }
         public bool SuppressHttpError { get; set; }
         public bool AllowAutoRedirect { get; set; }
+        public bool ConnectionKeepAlive { get; set; }
         public Dictionary<string, string> Cookies { get; private set; }
         public bool StoreResponseCookie { get; set; }
         public TimeSpan RequestTimeout { get; set; }