[RELEASE] Release of TYPO3 6.0.1

Change-Id: Ic05e7a2a5edba74ca6ff8bfc90b388440a54515f
Reviewed-on: https://review.typo3.org/17801
Reviewed-by: TYPO3 Release Team
Tested-by: TYPO3 Release Team
[TASK] Set TYPO3 version to 6.0.2-dev

Change-Id: I88c4aa51d1aea00cab2e7fc546230b32e41f5bdf
Reviewed-on: https://review.typo3.org/17802
Reviewed-by: TYPO3 Release Team
Tested-by: TYPO3 Release Team