New: Rebuilt Completed/Failed download handling from scratch

src/NzbDrone.Core/Download/DownloadClientProvider.cs

@@ -29,10 +29,9 @@ namespace NzbDrone.Core.Download
         {
             return _downloadClientFactory.GetAvailableProviders();
         }
-
         public IDownloadClient Get(int id)
         {
             return _downloadClientFactory.GetAvailableProviders().Single(d => d.Definition.Id == id);
         }
     }
-}
+}