Starting to get some content localization hooked up.

- can create new translations and content items (in manage content) link to other localizations of the content
- still a bit buggy when creating a new translation to override an existing translation
- the ux is still, definately, a bid ol' wip

--HG--
branch : dev

src/Orchard.Web/Core/Settings/Controllers/AdminController.cs

@@ -59,7 +59,7 @@ namespace Orchard.Core.Settings.Controllers {
                 return new HttpUnauthorizedResult();
 
             var viewModel = new SiteCulturesViewModel {
-                CurrentCulture = CultureInfo.CurrentCulture.Name,
+                CurrentCulture = _cultureManager.GetCurrentCulture(HttpContext),
                 SiteCultures = _cultureManager.ListCultures(),
             };
             viewModel.AvailableSystemCultures = CultureInfo.GetCultures(CultureTypes.SpecificCultures)