[RELEASE] Release of TYPO3 4.5.39

Change-Id: I5706e9296860dc95e0056a47d97fed6533ccc985
Reviewed-on: http://review.typo3.org/35230
Reviewed-by: TYPO3 Release Team <typo3v4@typo3.org>
Tested-by: TYPO3 Release Team <typo3v4@typo3.org>