Tutorial for Building Simple Membership System using ASP.NET Identity 2.1, ASP.NET Web API, and AngularJS

Tutorial which will cover how to integrate ASP.NET Identity system with ASP.NET Web API. In this tutorial we'll build a secure HTTP service which acts as back-end for SPA front-end built using AngularJS, it should cover in a simple way different ASP.NET Identity 2.1 features such as: Accounts managements, roles management, email confirmations, change password, roles based authorization, claims based authorization, brute force protection.