added fifth priority level

MediaBrowser.Controller/Providers/MetadataProviderPriority.cs

@@ -29,10 +29,12 @@ namespace MediaBrowser.Controller.Providers
         /// </summary>
         Fourth = 4,
 
+        Fifth = 5,
+
         // Run this provider last
         /// <summary>
         /// The last
         /// </summary>
-        Last = 5
+        Last = 6
     }
 }

MediaBrowser.Providers/Movies/MovieDbImagesProvider.cs

@@ -65,7 +65,7 @@ namespace MediaBrowser.Providers.Movies
         /// <value>The priority.</value>
         public override MetadataProviderPriority Priority
         {
-            get { return MetadataProviderPriority.Last; }
+            get { return MetadataProviderPriority.Fifth; }
         }
 
         /// <summary>

MediaBrowser.Providers/Movies/OpenMovieDatabaseProvider.cs

@@ -110,7 +110,7 @@ namespace MediaBrowser.Providers.Movies
             get
             {
                 // Run after moviedb and xml providers
-                return MetadataProviderPriority.Last;
+                return MetadataProviderPriority.Fifth;
             }
         }