[gnome-shell] (5 commits) Non-fast-forward update to branch wip/fix-screen-shield-motion-handler-leak

[Ray Strode <halfline src gnome org>]

The branch 'wip/fix-screen-shield-motion-handler-leak' 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:

  6f882f4... screenShield: Fix pointer motion signal handler leak
  64943e0... Apply 1 suggestion(s) to 1 file(s)

Commits added to the branch:

  b41ef2f... panel: Disconnect destroy signal handler when needed (*)
  cc9f66d... environment: Handle @content for property transitions (*)
  6ba3ca5... windowManager: Avoid calling meta_window_actor_thaw when no (*)
  ba3e8cd... screenShield: Fix pointer motion signal handler leak
  9cb128e... Apply 1 suggestion(s) to 1 file(s)

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