The source project of this merge request has been removed.
help-overlay: Improve some shortcuts and help-overlay
- Add Alt+Return shortcut to comply GNOME HIG.
- Add Ctrl+F8 shortcut to set image as background.
- Add missing KP_0, KP_1 and KP_2 key supports to the zoom actions.
- Add RTL support for a few actions. Also, group gestures together to make help-overlay tidy.