[gnome-shell] (10 commits) ...magnifier: Make magnification factor changes animatable

[Florian Müllner <fmuellner src gnome org>]

Summary of changes:

  8b4b9d3... magnifier: Apply scale factor to crosshair length (*)
  c150fe9... magnifier: Apply color inversion to crosshairs/pointer (*)
  bda1888... magnifier: Clip all crosshair lines at even distances (*)
  42b5005... magnifier: Sanity check coordinates in scrollContentsTo (*)
  c8d02be... magnifier: Ignore repeated a11y events (*)
  f3b56e0... magnifier: Transform a11y events' coordinates by scale fact (*)
  60c540e... magnifier: Add support for animating "scroll" on focus chan (*)
  b1ea4f6... magnifier: Animate focus/caret position changes (*)
  83d083f... magnifier: Implement pointer motion tracking differently (*)
  e16def0... magnifier: Make magnification factor changes animatable (*)

(*) This commit already existed in another branch; no separate mail sent