[RELEASE] Release of TYPO3 7.0.0

Change-Id: I9192fd0a465d63f9d52b3794182be2bc28c9b5c6
Reviewed-on: http://review.typo3.org/34949
Reviewed-by: TYPO3 Release Team <typo3v4@typo3.org>
Tested-by: TYPO3 Release Team <typo3v4@typo3.org>