add channels infrastructure

MediaBrowser.Controller/Channels/ChannelCategoryItem.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Configuration;
 
 namespace MediaBrowser.Controller.Channels
 {
@@ -9,5 +10,19 @@ namespace MediaBrowser.Controller.Channels
         public ChannelItemType ChannelItemType { get; set; }
 
         public string OriginalImageUrl { get; set; }
+
+        protected override bool GetBlockUnratedValue(UserConfiguration config)
+        {
+            // Don't block. 
+            return false;
+        }
+
+        public override bool SupportsLocalMetadata
+        {
+            get
+            {
+                return false;
+            }
+        }
     }
 }