[gtk] (55 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:

  79f199e... actionbar: Derive from GtkWidget
  3e78875... Fix actionbars in ui files
  eee81d0... expander: Add a child property
  26a1e40... Use gtk_expander_set_child throughout
  203bc26... expander: Derive from GtkWidget
  e5e4a88... iconview: Derive from GtkWidget
  e3a2b15... paned: Drop some dead code
  7170cad... paned: Redo the api
  fb19715... infobar: Add gtk_info_bar_remove_action_widget
  7ab4c85... infobar: Add gtk_info_bar_add/remove_child
  2fdb951... Use gtk_info_bar_add_child throughout
  6d7bddd... infobar: Derive from GtkWidget
  94f68f9... grid: Add gtk_grid_remove
  0829f56... Avoid container api on grids
  7633ac5... grid: Remove a test for grid container functionality
  bcd72cd... grid: Derive from GtkWidget
  4f06c94... fixed: Add gtk_fixed_remove
  7949837... Stop using container api on GtkFixed
  9ad6a5c... fixed: Derive from GtkWidget
  79c3812... stack: Add gtk_stack_remove
  8826e9b... Don't use container api on GtkStack
  5747534... shortcutssection: Stop using container api
  44acb2c... shortcutswindow: Stop using container api
  f84c820... treepopover: Stop using container api
  a084dfe... stack: Derive from GtkWidget
  2aa8475... flowbox: Add gtk_flow_box_remove
  0fd2a97... Stop using container api on GtkFlowBox
  64809cb... flowbox: Derive from GtkWidget
  d7ce884... textview: Fix popover use
  fd28451... text: Fix popover use
  45159ae... textviewchild: Derive from GtkWidget
  a150a6b... customlayout: Cosmetics
  36ae838... buildable: Cosmetics
  0d71bd6... listbox: Add gtk_list_box_remove
  7d872b8... Don't use container api on GtkListBox
  fcc00dc... testsuite: Redo listbox sort test
  dba89bb... testsuite: Fix listbox tests
  6c51bbb... listbox: Derive from GtkWidget
  531b0cf... headerbar: Add gtk_header_bar_remove
  a00b810... Stop using container api on GtkHeaderBar
  9ac5251... headerbar: Derive from GtkWidget
  308e9d3... Stop using container api on GtkNotebook
  a022576... notebook: Derive from GtkWidget
  26136f3... box: Add gtk_box_append/prepend/remove
  3e97a3f... Replace most remaining uses of container api
  433996a... shortcutsgroup: Drop container bits
  7952c5d... shortcutssection: Drop container bits
  e2eb125... dialog: Remove code that doesn't work anymore
  43cecfe... assistant: Remove code that doesn't work anymore
  658baf5... box: Derive from GtkWidget
  97bb697... Drop gtkcontainer.h includes
  88961ee... testsuite: Drop a container api use
  c56c7c7... Drop GtkContainer and its accessible implementation
  23f83e4... dialog: Remove an unused struct
  968508b... dialog: Firm up handling of action widgets
  c750592... docs: Update migration guide

Commits added to the branch:

  e2b23e8... actionbar: Derive from GtkWidget
  6b80d90... expander: Add a child property
  1afc749... Use gtk_expander_set_child throughout
  825e98d... expander: Derive from GtkWidget
  253a39c... iconview: Derive from GtkWidget
  fc9873e... paned: Drop some dead code
  bc6643f... paned: Redo the api
  78d20b9... infobar: Add gtk_info_bar_remove_action_widget
  12ca08c... infobar: Add gtk_info_bar_add/remove_child
  bd843ac... Use gtk_info_bar_add_child throughout
  1a33278... infobar: Derive from GtkWidget
  5cda824... grid: Add gtk_grid_remove
  932aa58... Avoid container api on grids
  c065729... grid: Remove a test for grid container functionality
  3852661... grid: Derive from GtkWidget
  96d7074... fixed: Add gtk_fixed_remove
  0d57abf... Stop using container api on GtkFixed
  741a9cb... fixed: Derive from GtkWidget
  5e0c1e6... stack: Add gtk_stack_remove
  01c3e2c... Don't use container api on GtkStack
  ee5587d... shortcutssection: Stop using container api
  b490800... shortcutswindow: Stop using container api
  a7769c9... treepopover: Stop using container api
  5907ece... stack: Derive from GtkWidget
  2f7f6e6... flowbox: Add gtk_flow_box_remove
  3bff7d3... Stop using container api on GtkFlowBox
  ddcc9db... flowbox: Derive from GtkWidget
  5c34b30... textview: Fix popover use
  bf543e0... text: Fix popover use
  47139bc... textviewchild: Derive from GtkWidget
  001d623... customlayout: Cosmetics
  7af15ae... buildable: Cosmetics
  ff91ce9... listbox: Add gtk_list_box_remove
  8814110... Don't use container api on GtkListBox
  c55aa7e... testsuite: Redo listbox sort test
  6f170a0... testsuite: Fix listbox tests
  3d100ab... listbox: Derive from GtkWidget
  d59d9d4... headerbar: Add gtk_header_bar_remove
  abfa4d4... Stop using container api on GtkHeaderBar
  c7b7d78... headerbar: Derive from GtkWidget
  0daa1f3... Stop using container api on GtkNotebook
  a043762... notebook: Derive from GtkWidget
  665edcb... box: Add gtk_box_append/prepend/remove
  2a24b8c... Replace most remaining uses of container api
  537d211... shortcutsgroup: Drop container bits
  58a88a8... shortcutssection: Drop container bits
  6c78eee... dialog: Remove code that doesn't work anymore
  6bc4446... assistant: Remove code that doesn't work anymore
  5f642f8... box: Derive from GtkWidget
  5573a34... Drop gtkcontainer.h includes
  e706d48... testsuite: Drop a container api use
  5ebd42d... Drop GtkContainer and its accessible implementation
  f72d672... dialog: Remove an unused struct
  7ef173a... dialog: Firm up handling of action widgets
  848a8a7... docs: Update migration guide