[TASK] Release 1.2.4

Change-Id: I15896ff846f4f9f682a46c5b8bb3f63c1fa78942
Reviewed-on: http://review.typo3.org/32547
Reviewed-by: Tim Lochmüller <tim@fruit-lab.de>
Tested-by: Tim Lochmüller <tim@fruit-lab.de>