[overlord-issues] [JBoss JIRA] (ARTIF-677) Replace Atom services with JSON REST

Replace Atom services with JSON REST ------------------------------------ Key: ARTIF-677 URL: https://issues.jboss.org/browse/ARTIF-677 Project: Artificer Issue Type: Feature Request Reporter: Brett Meyer Fix For: 2.0 Maintain support of the Atom services. However, introduce a new set of JSON services in artificer-server. Have all clients start using that new layer. In addition, remove the services/servlets in the UI war an instead directly call the new JSON services.