Added a BaseKernel for the UI and Server to share, and made some other minor re-organizations.

MediaBrowser.Controller/Configuration/ServerConfiguration.cs

@@ -0,0 +1,16 @@
+using MediaBrowser.Common.Configuration;
+
+namespace MediaBrowser.Controller.Configuration
+{
+    public class ServerConfiguration : BaseConfiguration
+    {
+        public string ImagesByNamePath { get; set; }
+        public int RecentItemDays { get; set; }
+
+        public ServerConfiguration()
+            : base()
+        {
+            RecentItemDays = 14;
+        }
+    }
+}