[gtk] (13 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:

  a87456f... gdk: Redo key events
  f3f20c2... gdk: Clean up GdkModifierType
  8c393b3... gdk: Make GdkKeymap a private api
  7cff9fa... keymap: Remove virtual modifier mapping functions
  79ee84a... gtk: Stop using modifier intents
  347e7a0... gtk: Drop gtk_widget_get_modifier_mask
  28e9157... display: Remove gdk_display_get_modifier_mask
  602cdc8... Remove uses of modifier intents in gdkevents.c
  dd1f41f... gdk: Remove gdk_keymap_get_modifier_mask
  4637867... Drop gtk_accelerator_set_default_mod_mask
  1ce664c... Reshuffle keymap docs
  e0be670... accelgroup: Small documentation updates
  7b6dfc6... fixup key event docs
  9be864f... fix shortcuts tests after key event rework
  d66db67... fixup: rename some of the new key event apis
  0bbb228... fixup: Document GDK_MODIFIER_MASK

Commits added to the branch:

  70cb801... gdk: Redo key events
  a6ebf7d... gdk: Clean up GdkModifierType
  08a982a... gdk: Make GdkKeymap a private api
  5e42dc1... keymap: Remove virtual modifier mapping functions
  12985bc... gtk: Stop using modifier intents
  cf3d23a... gtk: Drop gtk_widget_get_modifier_mask
  a3e33f2... display: Remove gdk_display_get_modifier_mask
  12d00be... Remove uses of modifier intents in gdkevents.c
  5d7493a... gdk: Remove gdk_keymap_get_modifier_mask
  599618f... Drop gtk_accelerator_set_default_mod_mask
  d50ad2d... Reshuffle keymap docs
  b482d9a... accelgroup: Small documentation updates
  c89e65e... Uodate migration guide