[gtk/wip/sadiq/fixes] (36 commits) ...docs: Fix inclusion of source files in tutorial

[Mohammed Sadiq <pksadiq src gnome org>]

Summary of changes:

  573c639... gtk: Add GtkTreeListModel (*)
  63e5b82... window: Add gtk_window_get_toplevels() (*)
  dd94129... widget: Add gtk_widget_observe_children() (*)
  4f70f72... gtk: Add GtkFilterListModel (*)
  4b5fb5e... treelistmodel: Refactor to add GtkTreeListRow (*)
  d6161e0... treelistmodel: Add more API to navigate the tree (*)
  32ec7de... gtk: Add GtkFlattenListModel (*)
  867042f... widget: Add gtk_widget_observe_controllers() (*)
  aba76fe... inspector: Make the render node tree use a ListBox (*)
  4495eaa... inspector: Add an icon to the render node list (*)
  417ac4a... inspector: Use a GtkPicture to display render nodes (*)
  2237009... testsuite: Disable some tests with older glib (*)
  05e752e... inspector: Turn object tree into a GtkListBox (*)
  6d0fe46... propertylookuplistmodel: Add (*)
  b6acc31... GtkMapListModel: add (*)
  59006e2... inspector: Make gestures page handle all controllers (*)
  5e89838... inspector: Rename "Gestures" page to "Controllers" (*)
  db8474e... inspector: Make controllers page use gtk_list_box_bind_mode (*)
  64d97b2... GtkSliceListModel: add (*)
  65b795b... testtreelistmodel: Add a hack to handle LONG lists (*)
  fcb780e... testtreelistmodel: Make the directory loading async (*)
  64b7c12... testtreelistmodel: Add search (*)
  f383413... GtkSortListModel: Add (*)
  afd69db... testtreelistmodel: Sort files by name (*)
  b94b8ac... testtreelistmodel: Make the statusbar display more info (*)
  b7bf04f... inspector: Update the controllers list to show parent contr (*)
  ee5708f... testtreelistmodel: Display the file icon, because why not (*)
  563fb97... Merge branch 'wip/sadiq/fixes' into 'master' (*)
  9ffd880... docs: Add missing TreeListModel docs (*)
  8bdcff3... Update POTFILES.in (*)
  b92c328... sortlistmodel: Actually insert unsorted items at the wrong  (*)
  5571217... testsuite: Add tests for GtkSortListModel (*)
  545c5f1... testsuite: Disable some tests for older glib (*)
  57ba404... Minor doc fix (*)
  231b76b... tree list model: Add docs (*)
  6971e29... docs: Fix inclusion of source files in tutorial

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