- Some AntiForgeryToken work including making used of SiteSalt

- Moving all* BeginForm usage to BeginFormAntiForgeryPost *except for "complicated" BeginForms that get an AntiForgeryTokenOrchard inserted manually
- Some page title cleanup (mainly in the admin)

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4044508

src/Orchard.Web/Web.config

@@ -127,6 +127,8 @@
         <add namespace="System.Web.Routing"/>
         <add namespace="System.Linq"/>
         <add namespace="System.Collections.Generic"/>
+        <add namespace="Orchard.Core.Common.Mvc.Html" />
+        <add namespace="Orchard.Mvc.Html" />
       </namespaces>
     </pages>