Fixing instructions on how to re-create the client

Fixing instructions on how to re-create the client, which became obsolete (See #7)

Author: jmprieur

README.md

@@ -134,11 +134,10 @@ First, in Visual Studio 2017 create an empty solution to host the projects.  The
 2. Add the (stable) Active Directory Authentication Library (ADAL) NuGet, `Microsoft.IdentityModel.Clients.ActiveDirectory`, version 1.0.3 (or higher) to the project.
 3. Add  assembly references to `System.Net.Http`, `System.Web.Extensions`, and `System.Configuration`.
 4. Add a new class to the project called `TodoItem.cs`.  Copy the code from the sample project file of same name into this class, completely replacing the code in the file in the new project.
-5. Add a new class to the project called `CacheHelper.cs`.  Copy the code from the sample project file of same name into this class, completely replacing the code in the file in the new project.
-6. Add a new class to the project called `CredManCache.cs`.  Copy the code from the sample project file of same name into this class, completely replacing the code in the file in the new project.
-7. Copy the markup from `MainWindow.xaml' in the sample project into the file of same name in the new project, completely replacing the markup in the file in the new project.
-8. Copy the code from `MainWindow.xaml.cs` in the sample project into the file of same name in the new project, completely replacing the code in the file in the new project.
-9. In `app.config` create keys for `ida:AADInstance`, `ida:Tenant`, `ida:ClientId`, `ida:RedirectUri`, `todo:TodoListResourceId`, and `todo:TodoListBaseAddress` and set them accordingly.  For the public Azure cloud, the value of `ida:AADInstance` is `https://login.microsoftonline.com/{0}`.
+5. Add a new class to the project called `FileCache.cs`.  Copy the code from the sample project file of same name into this class, completely replacing the code in the file in the new project.
+6. Copy the markup from `MainWindow.xaml' in the sample project into the file of same name in the new project, completely replacing the markup in the file in the new project.
+7. Copy the code from `MainWindow.xaml.cs` in the sample project into the file of same name in the new project, completely replacing the code in the file in the new project.
+8. In `app.config` create keys for `ida:AADInstance`, `ida:Tenant`, `ida:ClientId`, `ida:RedirectUri`, `todo:TodoListResourceId`, and `todo:TodoListBaseAddress` and set them accordingly.  For the public Azure cloud, the value of `ida:AADInstance` is `https://login.microsoftonline.com/{0}`.
 
 Finally, in the properties of the solution itself, set both projects as startup projects.
 
@@ -158,4 +157,4 @@ For more information on how to acquire a token in the client application, see AD
 
 For more information about token validation, see:
 - [JwtSecurityTokenHandler.ValidateToken Method (JwtSecurityToken)](https://msdn.microsoft.com/en-us/library/dn451163(v=vs.114).aspx)
-- [Principles of Token Validation](http://www.cloudidentity.com/blog/2014/03/03/principles-of-token-validation/)
+- [Principles of Token Validation](http://www.cloudidentity.com/blog/2014/03/03/principles-of-token-validation/)