Update README.txt with instructions on testing the .NET sample code.
Update README.txt with instructions on testing the .NET sample code.


jnaresh19/google-apps-sso-sample,jnaresh19/google-apps-sso-sample,donPalen/google-apps-sso-sample,donPalen/google-apps-sso-sample,donPalen/google-apps-sso-sample,donPalen/google-apps-sso-sample,jnaresh19/google-apps-sso-sample,jnaresh19/google-apps-sso-sample