[gtk] (14 commits) Created branch kill-hierarchy-changed

[Matthias Clasen <matthiasc src gnome org>]

The branch 'kill-hierarchy-changed' was created.

Summary of new commits:

  4724943... inspector: Stop using ::hierarchy-changed
  ddb52a5... drag dest: Stop using ::hierarchy-changed
  de6132a... ime: Stop using ::hierarchy-changed
  9591d40... xim: Stop using ::hierarchy-changed
  3ebf19b... text handle: Stop using ::hierarchy-changed
  9e231f6... popover: Stop using ::hierarchy-changed
  55337c5... file chooser: Stop using ::hierarchy-changed
  0230a7b... header bar: Stop using ::hierarchy-changed
  ef5108c... label: Stop using ::hierarchy-changed
  3ccbcf9... menu bar: Stop using ::hierarchy-changed
  8d93321... gtk-demo: Stop using ::hierarchy-changed
  5dd0863... widget: Drop ::hierarchy-changed
  a3901f2... Drop the anchored field
  89470ab... Document that root and unroot must chain up