Support season banners and posters with fanart

MediaBrowser.Providers/TV/FanArtSeasonProvider.cs

@@ -57,7 +57,9 @@ namespace MediaBrowser.Providers.TV
             return new List<ImageType>
             {
                 ImageType.Backdrop, 
-                ImageType.Thumb
+                ImageType.Thumb,
+                ImageType.Banner,
+                ImageType.Primary
             };
         }
 
@@ -152,6 +154,8 @@ namespace MediaBrowser.Providers.TV
 
         private void AddImages(List<RemoteImageInfo> list, FanartSeriesProvider.RootObject obj, int seasonNumber, CancellationToken cancellationToken)
         {
+            PopulateImages(list, obj.seasonposter, ImageType.Primary, 1000, 1426, seasonNumber);
+            PopulateImages(list, obj.seasonbanner, ImageType.Primary, 1000, 185, seasonNumber);
             PopulateImages(list, obj.seasonthumb, ImageType.Thumb, 500, 281, seasonNumber);
             PopulateImages(list, obj.showbackground, ImageType.Backdrop, 1920, 1080, seasonNumber);
         }

MediaBrowser.Providers/TV/FanartSeriesProvider.cs

@@ -1,5 +1,4 @@
-using System.Net;
-using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.IO;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
@@ -18,6 +17,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Net;
 using System.Threading;
 using System.Threading.Tasks;