[gtk] (24 commits) Non-fast-forward update to branch global-coords

[Matthias Clasen <matthiasc src gnome org>]

The branch 'global-coords' 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:

  eaa9d25... menuitem: Introduce gtk_menu_item_get_menu_shell()
  c3c327a... menu: Simplify function
  6305602... menu: Only set position in one place
  6e7bdb1... menu: Remove global coordinates
  966c4f7... win32: Stop using gdk_event_get_root_coords
  c21a63b... widget: Stop setting root coords in events
  224569a... Drop gdk_event_get_root_coords
  b99e853... menu: Use a box
  301d86e... menu: Use a scrolled window
  f5298fb... More menu restructuring
  c957a8f... More menu work
  d958398... menu: Keep selected item in view
  3901c61... menu: Bring back the scroll keybindings
  4d8f0ce... menu: Fix keynav between submenus

Commits added to the branch:

  df9aed6... Fix some GObject introspection annotations (*)
  8925c17... Merge branch 'wip/nielsdg/fix-gir-warnings' into 'master' (*)
  6b1cfd0... gtk-demo: Fix sliding puzzle demo (*)
  6b2518a... widget: fix CSS transforms with margins (*)
  bd26cce... gtk: rely on default marshallers (*)
  4df049e... Merge branch 'for-master' into 'master' (*)
  8145872... Merge branch 'wip/chergert/remove-cclosure' into 'master' (*)
  2ae6f1a... Add a gtk-overlay-scrolling setting (*)
  97e15b8... scrolled window: respect overlay-scrolling setting (*)
  173ffbb... Merge branch 'overlay-scrolling-setting' into 'master' (*)
  e702a33... menuitem: Introduce gtk_menu_item_get_menu_shell()
  d971c4e... menu: Simplify function
  4e464b4... menu: Only set position in one place
  f645c4e... menu: Remove global coordinates
  c7f06dd... win32: Stop using gdk_event_get_root_coords
  17cd6d7... widget: Stop setting root coords in events
  57175dd... Drop gdk_event_get_root_coords
  ae1ba79... menu: Use a box
  13e010d... menu: Use a scrolled window
  3f6272f... More menu restructuring
  8ba3c75... More menu work
  e599336... menu: Keep selected item in view
  ace30d4... menu: Bring back the scroll keybindings
  6c201e7... menu: Fix keynav between submenus

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