[BUGFIX] make documentation ready for typo3.org

Change-Id: I91b8780f86cf4af2255c5ca175ddebf2fce4652c
Reviewed-on: http://review.typo3.org/32294
Reviewed-by: Carsten Biebricher <cb@hdnet.de>
Tested-by: Carsten Biebricher <cb@hdnet.de>