[gtk] (17 commits) Non-fast-forward update to branch keymap-rework-2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'keymap-rework-2' 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:

  99e9b9a... win32: Stop using MOD2..MOD5
  e81ec9a... broadway: Stop using MOD2..MOD5
  97891e7... events: Stop doing elaborate virtual modifier handling
  3fa9247... gtk: Remove handling of virtual modifiers
  70cb801... gdk: Redo key events
  a6ebf7d... gdk: Clean up GdkModifierType
  08a982a... gdk: Make GdkKeymap a private api
  9a6c828... keymap: Remove virtual modifier mapping functions
  3b936da... gtk: Stop using modifier intents
  c5ef266... gtk: Drop gtk_widget_get_modifier_mask
  0f6d117... display: Remove gdk_display_get_modifier_mask
  126e94f... Remove uses of modifier intents in gdkevents.c
  3fae02a... gdk: Remove gdk_keymap_get_modifier_mask
  1792cdd... Drop gtk_accelerator_set_default_mod_mask
  9638e79... Reshuffle keymap docs
  1d9bed4... accelgroup: Small documentation updates
  53b7997... Uodate migration guide

Commits added to the branch:

  8f0d94c... win32: Stop using MOD2..MOD5
  23e3aca... broadway: Stop using MOD2..MOD5
  1fcae70... events: Stop doing elaborate virtual modifier handling
  56441fa... gtk: Remove handling of virtual modifiers
  f7d9fc9... gdk: Redo key events
  006e2a4... gdk: Clean up GdkModifierType
  035b47e... gdk: Make GdkKeymap a private api
  b223ff2... keymap: Remove virtual modifier mapping functions
  cff98e7... gtk: Stop using modifier intents
  d794bec... gtk: Drop gtk_widget_get_modifier_mask
  e4f96ff... display: Remove gdk_display_get_modifier_mask
  099e69e... Remove uses of modifier intents in gdkevents.c
  3fee837... gdk: Remove gdk_keymap_get_modifier_mask
  957d590... Drop gtk_accelerator_set_default_mod_mask
  9797759... Reshuffle keymap docs
  8f17f53... accelgroup: Small documentation updates
  22ada5e... Uodate migration guide