More theming work

Continued work towards making zone classes obsolete
Shape table construction per theme
Adding display helper to webforms view classes

--HG--
branch : theming

src/Orchard.Web/Themes/SafeMode/Views/Zone.ascx

@@ -0,0 +1,4 @@
+<%@ Control Language="C#" Inherits="Orchard.Mvc.ViewUserControl" %>
+<div class="zone zone-<%:Model.ZoneName %>">
+    <%foreach (var item in Model.Items) {%><%:Display(item)%><%}%>
+</div>