Fix compatibility for TYPO3 6.2 (#54154)

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/jfmulticontent/trunk@81895 735d13b6-9817-0410-8766-e36946ffe9aa
Add Workspace compatibility (#54153)

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/jfmulticontent/trunk@81896 735d13b6-9817-0410-8766-e36946ffe9aa