SLING-3027 use latest releases (Sling Commons Json, Sling Commons Mime, Sling Commons Scheduler, Sling Event, Sling Extensions Explorer, Sling Installer Core, Sling Installer Provider File, Sling Installer Provider JCR, Sling JCR Resource, Sling Servlets Get, Sling Servlets Post, Sling i18n)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1622083 13f79535-47bb-0310-9956-ffa450edef68