[gtk] (21 commits) Non-fast-forward update to branch wip/otte/listmodel

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/listmodel' 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:

  9f2910e... gtk: Add GtkTreeListModel
  532d3fc... window: Add gtk_window_get_toplevels()
  3b0c634... widget: Add gtk_widget_observe_children()
  1959c26... gtk: Add GtkFilterListModel
  57b52b6... treelistmodel: Refactor to add GtkTreeListRow
  46098e3... treelistmodel: Add more API to navigate the tree
  986a6ce... gtk: Add GtkFlattenListModel
  41994d7... widget: Add gtk_widget_observe_controllers()
  2746791... inspector: Make the render node tree use a ListBox
  c9ef59a... inspector: Add an icon to the render node list
  22b37d7... inspector: Use a GtkPicture to display render nodes
  e5adff1... testsuite: Disable some tests with older glib
  0a96029... inspector: Turn object tree into a GtkListBox
  447a6d8... propertylookuplistmodel: Add
  c814c1b... GtkMapListModel: add
  55f7fac... inspector: Make gestures page handle all controllers
  04d13de... inspector: Rename "Gestures" page to "Controllers"
  c0ea4cd... inspector: Make controllers page use gtk_list_box_bind_mode
  035d5f6... wip: controller list

Commits added to the branch:

  2d3e190... gtk: Add GtkTreeListModel
  32add81... window: Add gtk_window_get_toplevels()
  d48a20a... widget: Add gtk_widget_observe_children()
  4565043... gtk: Add GtkFilterListModel
  e149c36... treelistmodel: Refactor to add GtkTreeListRow
  6e65c60... treelistmodel: Add more API to navigate the tree
  28e8084... gtk: Add GtkFlattenListModel
  119a219... widget: Add gtk_widget_observe_controllers()
  adb8139... inspector: Make the render node tree use a ListBox
  6ac76d3... inspector: Add an icon to the render node list
  21f20ea... inspector: Use a GtkPicture to display render nodes
  6f1c2b1... testsuite: Disable some tests with older glib
  523f2c1... inspector: Turn object tree into a GtkListBox
  416f8d5... propertylookuplistmodel: Add
  dbade33... GtkMapListModel: add
  d83abf5... inspector: Make gestures page handle all controllers
  735b0e4... inspector: Rename "Gestures" page to "Controllers"
  71860ca... inspector: Make controllers page use gtk_list_box_bind_mode
  6c60528... wip: controller list
  e427564... GtkSliceListModel: add
  8f7c881... testtreelistmodel: Add a hack to handle LONG lists