SLING-3027 use latest releases (Sling Engine, Sling Service User Mapper, Sling Settings, Sling Installer Core, Sling Installer Factory Configuration, Sling Scripting JSP)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1613279 13f79535-47bb-0310-9956-ffa450edef68