use music brainz values from audio files with bottom up refresh

MediaBrowser.Controller/Entities/User.cs

@@ -72,6 +72,31 @@ namespace MediaBrowser.Controller.Entities
             }
         }
 
+        /// <summary>
+        /// Returns the folder containing the item.
+        /// If the item is a folder, it returns the folder itself
+        /// </summary>
+        /// <value>The containing folder path.</value>
+        public override string ContainingFolderPath
+        {
+            get
+            {
+                return Path;
+            }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is owned item.
+        /// </summary>
+        /// <value><c>true</c> if this instance is owned item; otherwise, <c>false</c>.</value>
+        public override bool IsOwnedItem
+        {
+            get
+            {
+                return false;
+            }
+        }
+
         /// <summary>
         /// The _root folder
         /// </summary>
@@ -222,6 +247,11 @@ namespace MediaBrowser.Controller.Entities
             }, CancellationToken.None);
         }
 
+        public override Task UpdateToRepository(ItemUpdateType updateReason, CancellationToken cancellationToken)
+        {
+            return UserManager.UpdateUser(this);
+        }
+
         /// <summary>
         /// Gets the path to the user's configuration directory
         /// </summary>