no-jira : more logging

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1573928 13f79535-47bb-0310-9956-ffa450edef68
SLING-3406 : refreshing session at beginning of analyzeVotings to avoid concurrency problems

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1573931 13f79535-47bb-0310-9956-ffa450edef68