Reimplementing DefaultShellContainerFactory : IShellContainerFactory

Based on new interface which takes ShellTopology and returns ILifetimeScope
Other partial changes to DefaultOrchardHost
Several tests and web app currently broken

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Setup/Controllers/SetupController.cs

@@ -136,7 +136,7 @@ namespace Orchard.Setup.Controllers {
 
                 _tenantManager.SaveSettings(shellSettings);
 
-                _orchardHost.Reinitialize();
+                _orchardHost.Reinitialize_Obsolete();
 
                 // redirect to the welcome page.
                 return Redirect("~/");