resetZoom() is now a new method that is called both
when 'printMode' is updated or when the dive is re-plotted.
Fixes a bug where zooming in on the profile and then
printing the dive has the profile at the wrong zoom level (makes
the profile look smaller).
Reported-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>