Roughing out early support for common contents controller

Listing and creating any defined content type
Early stages - many features to be added - expect poor compatability with existing types and parts

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Setup/Services/SetupService.cs

@@ -57,6 +57,7 @@ namespace Orchard.Setup.Services {
                 string[] hardcoded = {
                     "Orchard.Framework",
                     "Common",
+                    "Contents",
                     "Dashboard",
                     "Feeds",
                     "HomePage",