Some work on making the route part more container aware

- still needs some work in the Slugify method (for client slugification)
- also a container path placeholder...

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Blogs/Commands/BlogCommands.cs

@@ -8,6 +8,7 @@ using Orchard.ContentManagement.Aspects;
 using Orchard.Core.Common.Models;
 using Orchard.Core.Navigation.Models;
 using Orchard.Core.Routable.Models;
+using Orchard.Core.Routable.Services;
 using Orchard.Security;
 using Orchard.Blogs.Services;
 using Orchard.Core.Navigation.Services;