added new properties and endpoints for series special features

MediaBrowser.Controller/Dto/DtoBuilder.cs

@@ -108,7 +108,7 @@ namespace MediaBrowser.Controller.Dto
                     .Select(i => i.ToString("N"))
                     .ToArray();
             }
-            
+
             // Make sure all the tasks we kicked off have completed.
             if (tasks.Count > 0)
             {
@@ -532,6 +532,10 @@ namespace MediaBrowser.Controller.Dto
                 dto.AirDays = series.AirDays;
                 dto.AirTime = series.AirTime;
                 dto.Status = series.Status;
+
+                dto.SpecialFeatureCount = series.SpecialFeatureIds.Count;
+
+                dto.SeasonCount = series.SeasonCount;
             }
 
             if (episode != null)
@@ -579,7 +583,7 @@ namespace MediaBrowser.Controller.Dto
         {
             dto.SeriesName = item.SeriesName;
         }
-        
+
         private void SetMusicVideoProperties(BaseItemDto dto, MusicVideo item)
         {
             if (!string.IsNullOrEmpty(item.Album))

MediaBrowser.Controller/Entities/TV/Series.cs

@@ -13,9 +13,15 @@ namespace MediaBrowser.Controller.Entities.TV
     /// </summary>
     public class Series : Folder
     {
+        public List<Guid> SpecialFeatureIds { get; set; }
+
+        public int SeasonCount { get; set; }
+
         public Series()
         {
             AirDays = new List<DayOfWeek>();
+
+            SpecialFeatureIds = new List<Guid>();
         }
 
         /// <summary>