[gtkmm] Created tag 3.22.3

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '3.22.3' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1541583882 +0100

    3.22.3

Changes since the last tag '3.22.2':

Christian Schoenebeck (1):
      Gtk::MenuItem: Fix add_accel_label()

Chun-wei Fan (5):
      build: Rename MSVC_Net2013 to MSVC_NMake
      gendef: Skip CRT symbols that are implemented inline
      build: Remove GNU Makeisms from filelist.am's
      build: Add NMake Makefiles for Visual Studio builds
      build: Remove Visual Studio 2013 projects

Daniel Boles (1):
      class_gtkobject.m4|object.h: Fix GtkObject→GObject

Kjell Ahlstedt (12):
      tools/gen_scripts/: Update for gdk-pixbuf built with meson, and for gtk+-3
      Update build/.gitignore
      Add a specialization for Glib::Value<Cairo::RefPtr<Cairo::Surface>>
      Gtk::AboutDialog::get_logo(): Add refreturn
      Gdk: Deprecate flush(), screen_width(), etc.
      Fix the Change Display demo
      Update the Menus demo
      Update .gitignore
      Merge branch 'gtkmm-3-22.nmake' into 'gtkmm-3-22'
      Gtk::Settings: Undeprecate some properties
      configure.ac: Update bug report address
      3.22.3