working on statistics export...

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/slub_events/trunk@81184 735d13b6-9817-0410-8766-e36946ffe9aa
fixed statistics report; force genius bar events to have only one min- and maxsubscriber

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/slub_events/trunk@81190 735d13b6-9817-0410-8766-e36946ffe9aa