tatanka

Correct English word bevor to before in user facing texts

Change shortcut for preferences to Ctrl + Shift + P, due to conflict with properties

Improve the focus policy in the export widget

Add FPS selector for Frameview to home screen to easily test different FPS

close start dialog on double click

generic preferences pages and dialogs

Alternative fix for Debian bug 935179

Also show files with .jpeg extension while selecting "Images"