[gnome-shell] Non-fast-forward update to branch wip/nielsdg/g-object-notify

[Niels De Graef <nielsdg src gnome org>]

The branch 'wip/nielsdg/g-object-notify' 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:

  2fe18f7... st-widget: Use g_object_notify_by_pspec()
  1e9ef72... st-label: Use g_object_notify_by_pspec()
  d880cc7... st-button: Use g_object_notify_by_pspec()
  5a52145... st-icon: Use g_object_notify_by_pspec()

Commits added to the branch:

  31781ef... st: Use g_object_notify_by_pspec()