On the forums i read about the API coming with Visual Guard should enable to list, create, delete and grant roles. Do you have more documentation on these points? Implementing a simple and slim admin front end could maybe done be with this API.

Here is the link for Visual Guard documentation:
http://www.visual-guard.com/EN/dotnet-s ... mentation/

You can find more information about Visual Guard API and roles in:

Visual Guard API references => Novalys.VisualGuard.Security.Membership Namespace => VG Role Class => VG Role Methods