Getting started with ASP.Net Identity and Roles

Hi,
I've developed an ASP.Net Web Forms app on .Net Framework 4.5. Now I want to add membership and roles to it. I understand that ASP.Net Identity is the new approach.
I followed Adding ASP.NET Identity to an Empty or Existing Web Forms Project to add the NuGet packages and I am able to create new roles and login/logout. 
Then I came across Membership and Administration and now I'm confused. It says "ASP.NET Identity is the membership system used to build ASP.NET web application and is available in ASP.NET 4.5. "
Q1: Does it mean I did not need to add the Microsoft.AspNet.Identity and Microsoft.AspNet.Identi ...