added update script; required for update to 1.4.0 to fix discipline releations

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/slub_events/trunk@85942 735d13b6-9817-0410-8766-e36946ffe9aa
some tweeks in the onlinesurvey email

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/slub_events/trunk@85943 735d13b6-9817-0410-8766-e36946ffe9aa