Adding a temporary work around for a bug in ValidationSummary html helper that surfaces during register page.

Cleaning up a Dispose method in one of the controllers - all others have been cleaned up before.

src/MusicStore/Controllers/AccountController.cs

@@ -101,7 +101,8 @@ namespace MusicStore.Controllers
                 }
                 else
                 {
-                    //https://github.com/aspnet/Identity/issues/37
+                    return Json(result.Errors);
+                    //https://github.com/aspnet/WebFx/issues/289
                     AddErrors(result);
                 }
             }

src/MusicStore/Controllers/StoreManagerController.cs

@@ -142,12 +142,5 @@ namespace MusicStore.Controllers
             db.SaveChanges();
             return RedirectToAction("Index");
         }
-
-        //Bug: Can't dispose db. 
-        //protected override void Dispose(bool disposing)
-        //{
-        //    db.Dispose();
-        //    base.Dispose(disposing);
-        //}
     }
 }