Add GPL modules

MediaBrowser.Controller/Library/MetadataConfigurationStore.cs

@@ -0,0 +1,29 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Configuration;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Controller.Library
+{
+    public class MetadataConfigurationStore : IConfigurationFactory
+    {
+        public IEnumerable<ConfigurationStore> GetConfigurations()
+        {
+            return new ConfigurationStore[]
+            {
+                new ConfigurationStore
+                {
+                     Key = "metadata",
+                     ConfigurationType = typeof(MetadataConfiguration)
+                }
+            };
+        }
+    }
+
+    public static class MetadataConfigurationExtensions
+    {
+        public static MetadataConfiguration GetMetadataConfiguration(this IConfigurationManager config)
+        {
+            return config.GetConfiguration<MetadataConfiguration>("metadata");
+        }
+    }
+}