Bob Lyon authored Sep 08, 2014 and Robert Lyon committed Oct 14, 2014

Currently it checks what width it should be on rendering but it
should also do this on saving to make sure a width of 0 is not set.

Change-Id: I7837c3120fa29e2a2dc5c9c63301dfa4543428a4
Signed-off-by: Bob Lyon <bob@katipo.co.nz>