Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Abstract/Billing/IBillable.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using Yavsc.Services;
 
 namespace Yavsc.Billing
 {
@@ -21,7 +22,7 @@ namespace Yavsc.Billing
 
         bool GetIsAcquitted ();
 
-        string GetFileBaseName ();
+        string GetFileBaseName (IBillingService service);
 
     }
 }