SLING-2987 - improved webconsole plugin

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/SLING-2987-healthcheck-redesign@1510874 13f79535-47bb-0310-9956-ffa450edef68
SLING-2987 - improved webconsole plugin

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/SLING-2987-healthcheck-redesign@1510875 13f79535-47bb-0310-9956-ffa450edef68