* BAEL-2587: Spring Security integration with Amazon Cognito
* BAEL-2587: Spring Security integration with Amazon Cognito - remove unnecessary stuff
* BAEL-2587: Spring Security integration with Amazon Cognito - rename config file
* BAEL-2587: Spring Security integration with Amazon Cognito - separate folder for cognito
* Cleaned shared properties in spring-5-security-oauth module, and made some final tunings on authorization service and the resource server
* Added and modified example for webclient-oauth2
* Cleaned authorization service and resource service for webclient and oauth2 article
* Added examples for auth code with client and with login
cleaned properties and packages
* Added examples fow webclient + oauth2