Added some favorites api calls

MediaBrowser.Model/DTO/DTOBaseItem.cs

@@ -145,7 +145,7 @@ namespace MediaBrowser.Model.DTO
         /// User data for this item based on the user it's being requested for
         /// </summary>
         [ProtoMember(40)]
-        public UserItemData UserData { get; set; }
+        public DTOUserItemData UserData { get; set; }
 
         [ProtoMember(41)]
         public ItemSpecialCounts SpecialCounts { get; set; }

MediaBrowser.Model/DTO/DTOUserItemData.cs

@@ -0,0 +1,23 @@
+using ProtoBuf;
+
+namespace MediaBrowser.Model.DTO
+{
+    [ProtoContract]
+    public class DTOUserItemData
+    {
+        [ProtoMember(1)]
+        public float? Rating { get; set; }
+
+        [ProtoMember(2)]
+        public long PlaybackPositionTicks { get; set; }
+
+        [ProtoMember(3)]
+        public int PlayCount { get; set; }
+
+        [ProtoMember(4)]
+        public bool IsFavorite { get; set; }
+
+        [ProtoMember(5)]
+        public bool? Likes { get; set; }
+    }
+}

MediaBrowser.Model/DTO/VideoOutputFormats.cs

@@ -2,7 +2,7 @@
 namespace MediaBrowser.Model.DTO
 {
     /// <summary>
-    /// These are the audio output formats that the api is cabaple of streaming
+    /// These are the video output formats that the api is cabaple of streaming
     /// This does not limit the inputs, only the outputs.
     /// </summary>
     public enum VideoOutputFormats