[gnome-shell] (14 commits) ...appDisplay: Protect against source icon destruction

[Florian Müllner <fmuellner src gnome org>]

Summary of changes:

  bfd4d0f... appDisplay: Factor out linear position calculation (*)
  ffdff07... iconGrid: Add moveItem (*)
  062c014... appDisplay: Use new moveItem API to move items (*)
  cc35193... appDisplay: Lighten folder dialog background when dragging  (*)
  8d84e05... appDisplay: Reduce folder dialog popdown timeout (*)
  1709592... appDisplay: Adjust folder position (*)
  75a8697... appDisplay: Trivial const-correctness fix (*)
  31591ff... appDisplay: Only change excluded-apps when not deleting fol (*)
  7dafd25... appDisplay: Don't emit 'apps-changed' when deleting folder (*)
  59549e0... appDisplay: Save pages when folder apps change (*)
  33bd038... appDisplay: Don't change opacity on destruction (*)
  1acbdcc... appDisplay: Allow passing callback to AppFolderDialog.popdo (*)
  aaff88a... appDisplay: Remove icon from folder when dragging out (*)
  d04daf6... appDisplay: Protect against source icon destruction (*)

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