Added constructors to the entities

BrightGlimmer.Domain/Phone.cs

@@ -8,8 +8,17 @@ namespace BrightGlimmer.Domain
     [Table("Phones")]
     public class Phone : Entity
     {
-        public PhoneType Type { get; set; }
-        public int AreaCode { get; set; }
-        public int Number { get; set; }
+        public PhoneType Type { get; private set; }
+        public int AreaCode { get; private set; }
+        public int Number { get; private set; }
+
+        private Phone() { }
+
+        public Phone(PhoneType type, int areaCode, int number)
+        {
+            Type = type;
+            AreaCode = areaCode;
+            Number = number;
+        }
     }
 }