build

as uploaded to flathub

bump to 4.1.2

add an SVG backdrop to the main window

add an icon to the exe on windows

maybe!

version bump to 4.1.1

Update src/imagedisplay.c

Co-authored-by: Kleis Auke Wolthuizen <github@kleisauke.nl>

oops, should be 1.0 / scale

final update for 4.1.0

ready for test release