since

    commit 7ced337e
    Date:   Tue Jun 18 16:59:27 2013 +0200
    startcenter: GSOC Use Widget Layout for the Start Center

Change-Id: I406059568f15500a21a1b41d3a4b8e12b2adb5cf
Reviewed-on: https://gerrit.libreoffice.org/41385Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>