SLING-4048 : Avoid keeping jobs in memory. Another refactoring: move all configuration code into config package (WiP)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1632809 13f79535-47bb-0310-9956-ffa450edef68
SLING-4048 : Avoid keeping jobs in memory. Another refactoring: move all configuration code into config package (WiP)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1632810 13f79535-47bb-0310-9956-ffa450edef68