Theming items

Changing the extension to hide several old files
Adjusting BuildDisplayModel family to return shape for display

--HG--
branch : theming

src/Orchard.Web/Modules/Orchard.Themes/Views/Menu.cshtml

@@ -0,0 +1,3 @@
+<ul id="Menu-@Model.MenuName" class="Menu Menu-@Model.MenuName">
+	@foreach(var item in Model) {@Display(item);}
+</ul><!-- /Menu-@Model.MenuName -->

src/Orchard.Web/Modules/Orchard.Themes/Views/MenuItem.cshtml

@@ -0,0 +1,9 @@
+@{
+  // odd formatting in this file is to cause more attractive results in the output.
+  var items = (IEnumerable<dynamic>)Enumerable.Cast<dynamic>(Model);
+}
+<li><a href="@Model.Href">@Model.Text</a>@{ if (items.Any()) {
+<ul>
+  @foreach(var item in Model) {@Display(item);}
+</ul>}}
+</li>