Zaas client logout functionality

[jandadav]

Describe the solution you'd like
I would like to be able to logout tokens i have obtained through ZAAS client without having to resort to calling APIML's rest api myself. ZAAS client does not support logging off function, while APIML does.

[balhar-jakub]

So the aim is to add a new method to the API of the ZAAS Client with following signature:

void logout(String jwtToken) throws ZaasClientException;

and the behavior of the method would be to invalidate the proposed JWT Token, at least on the Gateway and if possible also via zOSMF. Do I understand it correctly?

[taban03]

The issue has been closed since the implementation has been merged into master.