Two things:

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

Yavsc.Server/Models/Relationship/Circle.cs

@@ -0,0 +1,22 @@
+
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+
+namespace Yavsc.Models.Relationship
+{
+    public class Circle {
+        [Key, DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
+        public long Id { get; set; }
+
+        public string Name { get; set; }
+        public string OwnerId { get; set; }
+
+        [ForeignKey("OwnerId"),JsonIgnore,NotMapped]
+        public virtual ApplicationUser Owner { get; set; }
+
+        [InverseProperty("Circle"),JsonIgnore]
+        public virtual List<CircleMember> Members { get; set; }
+    }
+}