[gtk] (27 commits) Non-fast-forward update to branch wip/otte/listview

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/listview' 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:

  a89efb0... gtk-demo: Add a Coverflow application launcher
  88b71bb... builder: Make gtk_builder_extend_with_template() work with 
  35e81f2... listitem: Make this a GObject
  b4f585a... listitemfactory: Reorganize vfuncs
  5b7be36... listitemfactory: Simplify
  56ba71f... listitemwidget: Add a private struct
  55563aa... listitem: Move position/item/selected tracking to widget
  ab23516... listitemwidget: Lazily create listitems
  615872c... columnview: Add listitems for the columns
  dc75fcc... columnview: Implement GtkScrollable
  2958d74... widget: Add a hook for resizes
  9100998... columnview: Add GtkColumnViewCell
  f7fca72... inspector: Port object tree to GtkColumnView
  3bc3211... columnview: Fix styling with Adwaita
  a75ca8e... constraint-editor: Don't poke around in widget internals
  630c92a... columnview: Add a custom LayoutManager
  ebb9f0f... tests: Add testcolumnview
  7a11773... columnview: Add header
  b9ec293... inspector: Remove private struct from controllers
  aa58674... inspector: Make Controller page a GtkWidget
  55ac16c... inspector: Remove private struct for prop editor
  faf7454... xxx: Add a hack to make paintables transform to/from object
  d86344d... gtk-demo: Add a Clocks demo
  83fa3ee... widget: Do parent_class handling properly
  eb5ffbc... expression: Allow passing a this object to bind()
  ed2c336... fontchooserwidget: Port to listmodels
  1f397d9... docs: Reorganize list widgets in their own chapter

Commits added to the branch:

  f5bbcf9... gtk-demo: Add a Coverflow application launcher
  cd201ac... builder: Make gtk_builder_extend_with_template() work with 
  7392585... listitem: Make this a GObject
  af7771a... listitemfactory: Reorganize vfuncs
  69f2968... listitemfactory: Simplify
  0975fff... listitemwidget: Add a private struct
  ed3de0f... listitem: Move position/item/selected tracking to widget
  80ec817... listitemwidget: Lazily create listitems
  c629906... columnview: Add listitems for the columns
  cd6c422... columnview: Implement GtkScrollable
  f11a4cb... widget: Add a hook for resizes
  18f9030... columnview: Add GtkColumnViewCell
  cb04846... inspector: Port object tree to GtkColumnView
  b2555a5... columnview: Fix styling with Adwaita
  0b1545c... constraint-editor: Don't poke around in widget internals
  48fad1a... columnview: Add a custom LayoutManager
  fb5c7ef... tests: Add testcolumnview
  d791710... columnview: Add header
  0ef3b20... inspector: Remove private struct from controllers
  4f53ec7... inspector: Make Controller page a GtkWidget
  86abde2... inspector: Remove private struct for prop editor
  5e77fc7... xxx: Add a hack to make paintables transform to/from object
  13ea6e0... gtk-demo: Add a Clocks demo
  3798bed... widget: Do parent_class handling properly
  687c05b... expression: Allow passing a this object to bind()
  788a171... fontchooserwidget: Port to listmodels
  f8dc76d... docs: Reorganize list widgets in their own chapter