add Not Favorite to filters

MediaBrowser.Api/Reports/ReportsService.cs

@@ -275,6 +275,9 @@ namespace MediaBrowser.Api.Reports
                     case ItemFilter.IsFavorite:
                         query.IsFavorite = true;
                         break;
+                    case ItemFilter.IsNotFavorite:
+                        query.IsFavorite = false;
+                        break;
                     case ItemFilter.IsFavoriteOrLikes:
                         query.IsFavoriteOrLiked = true;
                         break;

MediaBrowser.Model/Querying/ItemFilter.cs

@@ -45,6 +45,10 @@ namespace MediaBrowser.Model.Querying
         /// <summary>
         /// The is favorite or likes
         /// </summary>
-        IsFavoriteOrLikes = 10
+        IsFavoriteOrLikes = 10,
+        /// <summary>
+        /// The item is not a favorite
+        /// </summary>
+        IsNotFavorite = 11
     }
 }