[CLEANUP] Switch to the new TYPO3 copyright header.

Change-Id: I3927583424413fc05068ca8181bcdf514034a0fb
Reviewed-on: http://review.typo3.org/34109
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>