[gtk] (45 commits) Non-fast-forward update to branch kill-containers

[Matthias Clasen <matthiasc src gnome org>]

The branch 'kill-containers' 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:

  2336a9c... paned: Redo the api
  243e396... infobar: Add gtk_info_bar_remove_action_widget
  977214a... infobar: Add gtk_info_bar_add/remove_child
  20b2be9... Use gtk_info_bar_add_child throughout
  e873bdd... infobar: Derive from GtkWidget
  a15d847... grid: Add gtk_grid_remove
  5b30989... Avoid container api on grids
  c70aa65... grid: Remove a test for grid container functionality
  b18c89e... grid: Derive from GtkWidget
  3db9f70... fixed: Add gtk_fixed_remove
  d828483... Stop using container api on GtkFixed
  b912e8c... fixed: Derive from GtkWidget
  89a004a... stack: Add gtk_stack_remove
  686eb4c... Stop using container api for GtkStack
  7c400ec... stack: Derive from GtkWidget
  7e46f03... flowbox: Add gtk_flow_box_remove
  c8d65f5... Stop using container api on GtkFlowBox
  b4b1e9b... flowbox: Derive from GtkWidget
  a38d087... textview: Fix popover use
  c1192c2... text: Fix popover use
  6c69aa9... textviewchild: Derive from GtkWidget
  67b399f... customlayout: Cosmetics
  3cd4004... buildable: Cosmetics
  f42ef32... listbox: Add gtk_list_box_remove
  66e158f... Don't use container api on GtkListBox
  1e94c5b... testsuite: Redo listbox sort test
  2b6d8f9... testsuite: Fix listbox tests
  0c9c627... listbox: Derive from GtkWidget
  9c7d72f... headerbar: Add gtk_header_bar_remove
  e91c444... Stop using container api on GtkHeaderBar
  af8ad38... headerbar: Derive from GtkWidget
  d88214f... Stop using container api on GtkNotebook
  1e99f30... notebook: Derive from GtkWidget
  194b132... box: Add gtk_box_append/prepend/remove
  c97c207... Replace most remaining uses of container api
  a52de87... shortcutsgroup: Drop container bits
  95734bc... shortcutssection: Drop container bits
  8e8b2db... dialog: Remove code that doesn't work anymore
  f83386b... assistant: Remove code that doesn't work anymore
  d660c6e... box: Derive from GtkWidget
  2870231... Drop gtkcontainer.h includes
  e993f67... testsuite: Drop a container api use
  2c855b7... Drop GtkContainer and its accessible implementation
  ac44041... dialog: Remove an unused struct
  f3e385d... dialog: Fix up handling of action widgets

Commits added to the branch:

  b8244c6... paned: Redo the api
  54beadc... infobar: Add gtk_info_bar_remove_action_widget
  5a6856b... infobar: Add gtk_info_bar_add/remove_child
  063a6c4... Use gtk_info_bar_add_child throughout
  c140ddc... infobar: Derive from GtkWidget
  e136dc3... grid: Add gtk_grid_remove
  feeac24... Avoid container api on grids
  b43d3b9... grid: Remove a test for grid container functionality
  5cd92fe... grid: Derive from GtkWidget
  5a93803... fixed: Add gtk_fixed_remove
  66b90a3... Stop using container api on GtkFixed
  8e955d5... fixed: Derive from GtkWidget
  29e713f... stack: Add gtk_stack_remove
  30eb0b9... Stop using container api for GtkStack
  2d67a04... stack: Derive from GtkWidget
  a7187b5... flowbox: Add gtk_flow_box_remove
  8b65aae... Stop using container api on GtkFlowBox
  70344a6... flowbox: Derive from GtkWidget
  ec1f39a... textview: Fix popover use
  5482315... text: Fix popover use
  d8ce39d... textviewchild: Derive from GtkWidget
  a33583a... customlayout: Cosmetics
  3e17fd1... buildable: Cosmetics
  8405525... listbox: Add gtk_list_box_remove
  fcea848... Don't use container api on GtkListBox
  f2c044a... testsuite: Redo listbox sort test
  b06e8b0... testsuite: Fix listbox tests
  2fd36ad... listbox: Derive from GtkWidget
  4a11d07... headerbar: Add gtk_header_bar_remove
  45315e3... Stop using container api on GtkHeaderBar
  f2302bd... headerbar: Derive from GtkWidget
  8f43f66... Stop using container api on GtkNotebook
  12a6719... notebook: Derive from GtkWidget
  fe5a961... box: Add gtk_box_append/prepend/remove
  ebf4be5... Replace most remaining uses of container api
  431ebc5... shortcutsgroup: Drop container bits
  8d71626... shortcutssection: Drop container bits
  66dc56f... dialog: Remove code that doesn't work anymore
  6215fb1... assistant: Remove code that doesn't work anymore
  4f94849... box: Derive from GtkWidget
  23206a6... Drop gtkcontainer.h includes
  d5715f8... testsuite: Drop a container api use
  299dab5... Drop GtkContainer and its accessible implementation
  ed01356... dialog: Remove an unused struct
  ed5a477... dialog: Fix up handling of action widgets