added modular configuration

MediaBrowser.Model/Configuration/ChannelOptions.cs

@@ -0,0 +1,18 @@
+namespace MediaBrowser.Model.Configuration
+{
+    public class ChannelOptions
+    {
+        public int? PreferredStreamingWidth { get; set; }
+
+        public string DownloadPath { get; set; }
+        public int? MaxDownloadAge { get; set; }
+
+        public string[] DownloadingChannels { get; set; }
+
+        public ChannelOptions()
+        {
+            DownloadingChannels = new string[] { };
+            MaxDownloadAge = 30;
+        }
+    }
+}