Queue UI no longer shows unknown ETAs as 0:00:00.

src/NzbDrone.Core/Queue/Queue.cs

@@ -14,7 +14,7 @@ namespace NzbDrone.Core.Queue
         public Decimal Size { get; set; }
         public String Title { get; set; }
         public Decimal Sizeleft { get; set; }
-        public TimeSpan Timeleft { get; set; }
+        public TimeSpan? Timeleft { get; set; }
         public String Status { get; set; }
         public RemoteEpisode RemoteEpisode { get; set; }
     }

src/NzbDrone.Core/Queue/QueueService.cs

@@ -24,7 +24,10 @@ namespace NzbDrone.Core.Queue
 
         public List<Queue> GetQueue()
         {
-            var queueItems = _downloadTrackingService.GetQueuedDownloads().Select(v => v.DownloadItem).ToList();
+            var queueItems = _downloadTrackingService.GetQueuedDownloads()
+                .Select(v => v.DownloadItem)
+                .OrderBy(v => v.RemainingTime)
+                .ToList();
 
             return MapQueue(queueItems);
         }