[#5020] Fix: Error massage: The extension CSS Styled Content is not loaded

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@84838 735d13b6-9817-0410-8766-e36946ffe9aa
[#5021] Fix: Test error in tx_seminars_BackEnd_GeneralEventMailFormTest in TYPO3 CMS 6.1

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@84840 735d13b6-9817-0410-8766-e36946ffe9aa
[#4709] Fix: Crash on the registration page with static_info_tables 6.0.4 under TYPO3 6.0.6

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@84842 735d13b6-9817-0410-8766-e36946ffe9aa