[gtk+] (29 commits) Non-fast-forward update to branch wip/cosimoc/menuitem-gadget

[Cosimo Cecchi <cosimoc src gnome org>]

The branch 'wip/cosimoc/menuitem-gadget' 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:

  b5081ca... menuitem: really ignore horizontal-padding
  5aa6162... menuitem: use gtk_container_class_handle_border_width()
  abfefed... menuitem: port to gadgets
  2f1789f... theme: fix missing generated CSS
  e147fe6... menuitem: deprecate width-chars style property
  62de061... menuitem: convert arrow rendering to GtkCssGadget
  0d8ea93... menuitem: deprecate arrow-scaling style property
  24fcdc7... checkmenuitem: prefer early return
  a9aeeed... menuitem: trivial cleanup
  5ed7e8b... theme: fix menu check/radio styling
  f55e610... checkmenuitem: use a gadget for the check indicator
  3b6ed23... menuitem: deprecate toggle-spacing style property
  55878a6... checkmenuitem: deprecate indicator-size style property

Commits added to the branch:

  b90fa7d... Adwaita: fix action bar styling (*)
  a3fd5a0... Simplify actionbar (*)
  47325a8... imagedefinition: The storage type is not a boolean (*)
  dd90e02... label: Don't use _gtk_mis_get_padding_and_border() (*)
  c354832... notebook: Don't allocate during size requests (*)
  35e98dc... notebook: Sync menu labels with page list in visibile_cb (*)
  f54e0a2... label: Allocate gadget before using it (*)
  bb3e4fe... Updated Portuguese translation (*)
  5da6947... Updated Portuguese translation (*)
  22738ad... Updated Slovak translation (*)
  d51de8c... expander: Use a builtin icon (*)
  7d801a4... Fix a case a height/width confusion (*)
  d36c93b... expander: Fix drawing in rtl (*)
  7234c27... menuitem: really ignore horizontal-padding
  a258490... menuitem: use gtk_container_class_handle_border_width()
  d8d4f55... menuitem: port to gadgets
  da25fc1... menuitem: deprecate width-chars style property
  585b0db... menuitem: convert arrow rendering to GtkCssGadget
  11e49f3... menuitem: deprecate arrow-scaling style property
  6bcb1d1... checkmenuitem: prefer early return
  005f108... menuitem: trivial cleanup
  3a13f85... theme: fix menu check/radio styling
  7896e86... checkmenuitem: use a gadget for the check indicator
  4f81f6e... menuitem: deprecate toggle-spacing style property
  0de02be... checkmenuitem: deprecate indicator-size style property
  248a738... builtinicon: save/restore cairo context when rendering
  bf70431... menuitem: simplify code
  9f61458... menuitem: port arrow gadget to GtkBuiltinIcon
  6ac525b... checkmenuitem: port indicator gadget to GtkBuiltinIcon

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