Update readme

README.md

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 # JAMES Authentication
  An authentication system built using **J**WTs, **A**ngular, **M**ySQL, **E**xpress and **S**equelize in the [Creating a Role-Based User Authentication System Using Angular, Express and MySQL](https://hisk.io/role-based-authentication-with-angular-express-jwt-mysql-part-1) tutorial series.
 
-![](https://hisk.io/content/images/2017/03/UserAuth.png)
+![](http://catalin.me/wp-content/uploads/2017/05/UserAuth.png)
 
 #### Creating a Role-Based User Authentication System Using Angular, Express and MySQL Tutorial Series:
  * [Part 1: Setting up the Back end](https://hisk.io/role-based-authentication-with-angular-express-jwt-mysql-part-1)