[FEATURE] Compatibility with TYPO3 7.x

Change-Id: I65d64138cfe2658d39356d28274e20a61467be6b
Reviewed-on: http://review.typo3.org/35672
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>