refx & wf actions config

Yavsc/Views/_ViewImports.cshtml

@@ -5,6 +5,7 @@
 @using Microsoft.AspNet.Mvc.Localization;
 @using Microsoft.AspNet.Authorization;
 @using Microsoft.Extensions.OptionsModel;
+@using System.Security.Claims;
 @using System.Web.Optimization;
 @using Yavsc;
 @using Yavsc.Helpers;