make sure series and episode providers are checking for existence of images

MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs

@@ -214,6 +214,8 @@ namespace MediaBrowser.Controller.Providers.TV
                 }
 
                 if (doc.HasChildNodes)
+                {
+                    if (!episode.HasImage(ImageType.Primary))
                     {
                         var p = doc.SafeGetString("//filename");
                         if (p != null)
@@ -229,6 +231,7 @@ namespace MediaBrowser.Controller.Providers.TV
                                 status = ProviderRefreshStatus.CompletedWithErrors;
                             }
                         }
+                    }
 
                     episode.Overview = doc.SafeGetString("//Overview");
                     if (usingAbsoluteData)

MediaBrowser.Controller/Providers/TV/RemoteSeriesProvider.cs

@@ -214,7 +214,7 @@ namespace MediaBrowser.Controller.Providers.TV
                     series.AirTime = doc.SafeGetString("//Airs_Time");
 
                     string n = doc.SafeGetString("//banner");
-                    if (!string.IsNullOrWhiteSpace(n))
+                    if (!string.IsNullOrWhiteSpace(n) && !series.HasImage(ImageType.Banner))
                     {
                         series.SetImage(ImageType.Banner, await _providerManager.DownloadAndSaveImage(series, TVUtils.BannerUrl + n, "banner" + Path.GetExtension(n), ConfigurationManager.Configuration.SaveLocalMeta, TvDbResourcePool, cancellationToken).ConfigureAwait(false));
                     }

MediaBrowser.Server.Implementations/Library/CoreResolutionIgnoreRule.cs

@@ -1,10 +1,10 @@
-using System.IO;
+using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Resolvers;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
-using MediaBrowser.Controller.Resolvers;
 
 namespace MediaBrowser.Server.Implementations.Library
 {

MediaBrowser.Server.Implementations/Library/Resolvers/LocalTrailerResolver.cs

@@ -1,8 +1,8 @@
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Resolvers;
 using System;
 using System.IO;
-using MediaBrowser.Controller.Resolvers;
 
 namespace MediaBrowser.Server.Implementations.Library.Resolvers
 {