Fix up the Note interface and the implementation class.

Make Note setters protected.  Make class implement the interface.

Author: walterpinson

src/Core/Domain/Models/INote.cs

@@ -4,8 +4,8 @@ namespace CompanyName.Notebook.NoteTaking.Core.Domain.Models
 
     public interface INote
     {
-        Guid Id { get; set; }
-        string Text { get; set; }
-        DateTime Created { get; set; }
+        Guid Id { get; }
+        string Text { get; }
+        DateTime Created { get; }
     }
 }

src/Core/Domain/Models/Note.cs

@@ -2,11 +2,11 @@ namespace CompanyName.Notebook.NoteTaking.Core.Domain.Models
 {
     using System;
 
-    public class Note
+    public class Note : INote
     {
-        public Guid Id { get; private set; }
-        public string Text { get; private set; }
-        public DateTime Created { get; private set; }
+        public Guid Id { get; protected set; }
+        public string Text { get; protected set; }
+        public DateTime Created { get; protected set; }
 
         public Note(string text)
         {