Enabling scroll wheel emulation for the Logitech Trackman Marble on Fedora Linux 24

Update: this solution does no longer work on later versions of Fedora that switched to Wayland instead of X.org by default. If you don’t want to switch back to X.org and you’re using the GNOME desktop environment, you can enable scroll wheel emulation as outlined here. I’ve been struggling with this for quite some time […]