Some more work on the MT UI

- tenant database setup can be preconfigured
- site setup UI reflects available settings (e.g. if database setup is preconfigured then don't show db options)
- updated jQuery from 1.4.1 to 1.4.2 (finally)

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.MultiTenancy/Controllers/AdminController.cs

@@ -38,6 +38,9 @@ namespace Orchard.MultiTenancy.Controllers {
                         Name = viewModel.Name,
                         RequestUrlHost = viewModel.RequestUrlHost,
                         RequestUrlPrefix = viewModel.RequestUrlPrefix,
+                        DataProvider = viewModel.DatabaseOptions != null ? ((bool)viewModel.DatabaseOptions ? "SQLite" : "SqlServer") : null,
+                        DataConnectionString = viewModel.DatabaseConnectionString,
+                        DataTablePrefix = viewModel.DatabaseTablePrefix,
                         State = new TenantState("Uninitialized")
                     });