[TASK] Change requirements for TYPO3 CMS 7.0

Change-Id: I5c15586a3270d2fb8f31f99d902038be9f364867
Resolves: #62578
Releases: master
Reviewed-on: http://review.typo3.org/34540
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>