[keycloak-dev] subsystem integration phase 1

Going to iterate on this. The admin console UI could end up different in the end, but for phase 1 this is what I've decided to do: * Get rid of RequiredApplicationCredentials. Applications will have a viewable client secret from admin console. This will be resetable form admin console too. (cloud.google.com allows you to view the client secret) * Application Install page will now just have a select list. Options will be: "config file", "remote wildfly". Basically all integration points we support. * "config file" will display what we have now, except credential will be set up as client secret will be exposed * "remote wildfly" will bring you to a page that asks for: - URL of Wildfly admin - username and password of wildfly instance - deployment name - A "Configure" button Clicking the configure button will remotely set up the wildfly subsystem. Creating a realm if it doesn't already exist, then creating the deployment. -- Bill Burke JBoss, a division of Red Hat http://bill.burkecentral.com