Revert "[TASK] Set TYPO3 version to 7.0.1-dev"

This reverts commit 485830b907b1ca5c66d193fabca6ee7ae3190564.

Change-Id: I74e71ad4a51a9b0036db6f23436b66872749ab28
Reviewed-on: http://review.typo3.org/34951
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>