Spring Security 5.x

[scopendo]

Spring Security is incrementally incorporating the functionality of the Spring Security OAuth sub-project into the core of Spring Security. It would be good to see this tutorial updated to be in-line with Spring's approach going forward.

https://github.com/spring-projects/spring-security/wiki/OAuth-2.0-Features-Matrix

[tyduptyler13]

Also see FusionAuth/fusionauth-spring-security#1