Update notes for submitted changes

* [RELEASE] Release of TYPO3 6.0.6
Update notes for submitted changes

* [TASK] Set TYPO3 version to 6.0.7-dev
Update notes for submitted changes

* [RELEASE] Release of TYPO3 6.1.1
Update notes for submitted changes

* [TASK] Set TYPO3 version to 6.1.2-dev