[TASK] Raise submodule pointer

Change-Id: I78ce8b1a7b538770bbf3069cebed53e1e0ef58d8
Reviewed-on: https://review.typo3.org/19785
Reviewed-by: TYPO3 Release Team
Tested-by: TYPO3 Release Team
[RELEASE] Release of TYPO3 6.1.0beta2

Change-Id: Id427222d16e707dcf19ca67d94fcf03b694dd9ca
Reviewed-on: https://review.typo3.org/19786
Reviewed-by: TYPO3 Release Team
Tested-by: TYPO3 Release Team
[TASK] Set TYPO3 version to 6.1-dev

Change-Id: I2ee442ab272121c747985e5a42442451734ceb89
Reviewed-on: https://review.typo3.org/19787
Reviewed-by: TYPO3 Release Team
Tested-by: TYPO3 Release Team