Added the bounding box and a centerline command to the code for the figure for consistency testing...
This follows two remark by Edward d'Auvergne at:
https://mail.gna.org/public/relax-devel/2012-09/msg00030.html (Message-id: <CAED9pY_DzNvTcCjD0NzzkW_Zy-xdHrUe4q6ooqrSF17ySnj_Tg@...>)
and
https://mail.gna.org/public/relax-devel/2012-09/msg00032.html (Message-id: <CAED9pY-aymMGvmo=JMC_nWYSeLd-HAsCirv7so5P3OhJBNFY5Q@...>)
Authored by: semor 2012-09-05
Parent: [r17462]
Child: [r17464]
