you are supposed to build the whole dev doc instead

Change-Id: I1cdc86482e8ad73440a5e57f6eb41b661d4e536a
Reviewed-on: http://codereview.qt.nokia.com/283


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>