de-normalize item by name data. create counts during library scan for fast access.

MediaBrowser.Controller/Providers/IDynamicInfoProvider.cs

@@ -0,0 +1,10 @@
+
+namespace MediaBrowser.Controller.Providers
+{
+    /// <summary>
+    /// Marker interface for a provider that always runs
+    /// </summary>
+    public interface IDynamicInfoProvider
+    {
+    }
+}