[TASK] Use backend module dispatcher

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/irre_tutorial/trunk@79009 735d13b6-9817-0410-8766-e36946ffe9aa
[TASK] Use include_once() instead of require_once() for 6.2 compatibility

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/irre_tutorial/trunk@79010 735d13b6-9817-0410-8766-e36946ffe9aa