[gnome-shell] (6 commits) Non-fast-forward update to branch wip/exalm/gestures-part-3

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/exalm/gestures-part-3' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  6cf6037... swipeTracker: Introduce swipe tracker
  376ac5e... workspacesView: Use SwipeTracker
  03e96ab... appDisplay: Use SwipeTracker
  60491c9... windowManager: Use SwipeTracker

Commits added to the branch:

  ceda02f... screenShield: Fix showing shield without animation (*)
  1f2116e... screenShield: Stop messing with fixed-position-set (*)
  a0c0e52... swipeTracker: Introduce swipe tracker
  a11f417... workspacesView: Use SwipeTracker
  3e6bcbb... appDisplay: Use SwipeTracker
  a8dcfa4... windowManager: Use SwipeTracker

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