compatible to 6.2.x too

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/general_display/trunk@85910 735d13b6-9817-0410-8766-e36946ffe9aa
changed/fixed hierarchical select box

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/general_display/trunk@85914 735d13b6-9817-0410-8766-e36946ffe9aa
fixed some problems with coding standards

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/general_display/trunk@85916 735d13b6-9817-0410-8766-e36946ffe9aa