Update notes for submitted changes

* [RELEASE] Release of TYPO3 4.7.11
Update notes for submitted changes

* [TASK] Set TYPO3 version to 4.7.12-dev
Update notes for submitted changes

* [RELEASE] Release of TYPO3 4.5.26
Update notes for submitted changes

* [TASK] Set TYPO3 version to 4.5.27-dev