add channel downloading settings

MediaBrowser.Model/Channels/ChannelQuery.cs

@@ -20,4 +20,33 @@
         /// <value>The limit.</value>
         public int? Limit { get; set; }
     }
+
+    public class AllChannelMediaQuery
+    {
+        public string[] ChannelIds { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user identifier.
+        /// </summary>
+        /// <value>The user identifier.</value>
+        public string UserId { get; set; }
+
+        /// <summary>
+        /// Skips over a given number of items within the results. Use for paging.
+        /// </summary>
+        /// <value>The start index.</value>
+        public int? StartIndex { get; set; }
+
+        /// <summary>
+        /// The maximum number of items to return
+        /// </summary>
+        /// <value>The limit.</value>
+        public int? Limit { get; set; }
+
+        public AllChannelMediaQuery()
+        {
+            ChannelIds = new string[] { };
+        }
+    }
+
 }