/// <summary>
        /// Returns a list of the most recent posts
        /// </summary>
        /// <param name="helper"></param>
        /// <param name="masterModel"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public static IEnumerable<PostModel> GetRecentPosts(this UmbracoHelper helper, IMasterModel masterModel, int count)
        {
            var listNode = masterModel.RootBlogNode.Children
               .FirstOrDefault(x => x.DocumentTypeAlias.InvariantEquals("ArticulateArchive"));
            if (listNode == null)
            {
                throw new InvalidOperationException("An ArticulateArchive document must exist under the root Articulate document");
            }

            var rootPageModel = new ListModel(listNode, new PagerModel(count, 0, 1));
            return rootPageModel.Children<PostModel>();
        }
        public ActionResult Index(RenderModel model, int? maxItems)
        {
            if (!maxItems.HasValue) maxItems = 25;

            var listNode = model.Content.Children
               .FirstOrDefault(x => x.DocumentTypeAlias.InvariantEquals("ArticulateArchive"));
            if (listNode == null)
            {
                throw new InvalidOperationException("An ArticulateArchive document must exist under the root Articulate document");
            }

            var rootPageModel = new ListModel(listNode, new PagerModel(maxItems.Value, 0, 1));

            var feed = FeedGenerator.GetFeed(rootPageModel, rootPageModel.Children<PostModel>());

            return new RssResult(feed, rootPageModel);
        }