Updated the README section dealing with creating a stateless authentication handler. This will be subject to revision as  the API and code develops, and as the demo takes shape.
Updated the README section dealing with creating a stateless
authentication handler. This will be subject to revision as
 the API and code develops, and as the demo takes shape.

HendrikLanghammer/vertx-pac4j,HendrikLanghammer/vertx-pac4j,pac4j/vertx-pac4j