Jerky mouse pointer movement

[Michael Schwendt]

> Meanwhile, I've filed https://bugzilla.redhat.com/1204387
> 
> There's no real solution yet. Just an udev customization I can use to
> make the F22 default GNOME Shell mouse pointer speed work better for me
> (i.e. keep the setting's slider at the middle instead of having to move
> it to the very left which would still not be perfect).

More changes under the hood.

F22 dconf says:

  [org/gnome/desktop/peripherals/mouse]
  speed=0.0

F21 dconf says:

  [org/gnome/settings-daemon/peripherals/mouse]
  motion-threshold=7
  motion-acceleration=3.1793721973094171