[gtk+] (34 commits) Non-fast-forward update to branch wip/cosimoc/separator-deprecation

[Cosimo Cecchi <cosimoc src gnome org>]

The branch 'wip/cosimoc/separator-deprecation' 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:

  3046a30... toolbar: trivial code cleanup
  5be2aa2... toolbar: use gtk_container_handle_border_width()
  964274e... toolbar: port to use a gadget
  8784cac... toolbar: deprecate GtkToolbarSpaceStyle and space-style sty
  091c15f... separatortoolitem: trivial code cleanups
  9fb179c... separatortoolitem: don't use custom sizing/rendering
  9691ede... menuitem: don't read wide-separators or separator-height
  761632d... separator: don't read wide-separators style property
  d498558... treeview: prefer positive polarity in if block
  b95b150... treeview: don't use wide-separators/separator-height
  9506990... widget: deprecate separator style properties
  c52c708... win32: remove ineffective selector
  745244e... HighContrast: reparse theme
  e3ce78c... HighContrast: update for separators deprecations
  b0e573c... Adwaita: remove unused selector
  1130b17... HighContrast: remove unused selector

Commits added to the branch:

  91bb91d... Fix to compile for C libraries with no flockfile (*)
  a8ae549... Fix include path for gtkiconfactoryprivate.h (*)
  71c9e39... Updated Hebrew translation (*)
  962ff55... Updated Hebrew translation (*)
  7c55841... Updated Hebrew translation (*)
  788de42... Updated Hebrew translation (*)
  a90926c... gtkheaderbar: update window buttons also on realize (*)
  558fb1e... gtkdnd-quartz: fix gtk_drag_begin_internal (*)
  420993a... Updated Brazilian Portuguese translation (cherry picked fro (*)
  0a1b746... Updated Indonesian translation (cherry picked from commit 1 (*)
  9704f46... Updated Indonesian translation (cherry picked from commit 4 (*)
  3758762... GtkImage: Simplify _set_from_icon_name (*)
  2b2a538... testframe: Pass correct state to GtkStyleContext API (*)
  d3bf075... Updated Czech translation (*)
  664bbe1... menuitem: move chaining up to draw inside gadget (*)
  0401146... spinbutton: fix a typo (*)
  8109520... separator toolitem: Respect ::draw property (*)
  6322b1f... levelbar: fix a crash (*)
  ccebd27... toolbar: trivial code cleanup
  1e69dd9... toolbar: use gtk_container_handle_border_width()
  d0b5bde... toolbar: port to use a gadget
  6ff2562... toolbar: deprecate GtkToolbarSpaceStyle and space-style sty
  fac8db5... separatortoolitem: trivial code cleanups
  8404e3f... separatortoolitem: don't use custom sizing/rendering
  16b1409... menuitem: don't read wide-separators or separator-height
  b0e5f71... separator: don't read wide-separators style property
  b08441c... treeview: prefer positive polarity in if block
  a2050e5... treeview: don't use wide-separators/separator-height
  a83ff21... widget: deprecate separator style properties
  621c941... win32: remove ineffective selector
  b04fe0a... HighContrast: reparse theme
  d9ddd7b... HighContrast: update for separators deprecations
  dff2299... Adwaita: remove unused selector
  b24482d... HighContrast: remove unused selector

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