[keycloak-dev] isolate picketlink dependency please

Mongo model project seems to have picketlink dependencies: org.picketlink.common These need to be isolated and removed as a dependency. Since we may be introducing Keycloak into EAP (via Aerogear) we want to be sure we can remove any version conflicting picketlink dependencies. So, anything picketlink related has to be behind a plugglable and removable SPI. -- Bill Burke JBoss, a division of Red Hat http://bill.burkecentral.com