Add GPL modules

MediaBrowser.Controller/Entities/BasePluginFolder.cs

@@ -0,0 +1,54 @@
+
+using MediaBrowser.Model.Serialization;
+
+namespace MediaBrowser.Controller.Entities
+{
+    /// <summary>
+    /// Plugins derive from and export this class to create a folder that will appear in the root along
+    /// with all the other actual physical folders in the system.
+    /// </summary>
+    public abstract class BasePluginFolder : Folder, ICollectionFolder
+    {
+        [IgnoreDataMember]
+        public virtual string CollectionType
+        {
+            get { return null; }
+        }
+
+        public override bool CanDelete()
+        {
+            return false;
+        }
+
+        public override bool IsSaveLocalMetadataEnabled()
+        {
+            return true;
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsInheritedParentImages
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsPeople
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        //public override double? GetDefaultPrimaryImageAspectRatio()
+        //{
+        //    double value = 16;
+        //    value /= 9;
+
+        //    return value;
+        //}
+    }
+}