[gtk] (25 commits) Non-fast-forward update to branch default-handling

[Matthias Clasen <matthiasc src gnome org>]

The branch 'default-handling' 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:

  6b9bb4e... widget: Add a convenience api to activate actions
  3637633... window: Add a default-widget property
  776adaf... Rename gtk_window_set_default
  ba14c9c... popover: Add a default-widget property
  28ed465... window: Add a gtk.activate-default action
  6c34be3... popover: Add a gtk.activate-default action
  aa6e2f3... label: Activate default via action
  cfbe8df... entry: Activate default via action
  05a2cab... mount operation: Handle default activation via action
  5bf840a... file chooser: Stop using gtk_window_activate_default
  1be08b2... Drop gtk_window_activate_default
  3947090... Stop using gtk_widget_grab_default
  11627db... widget-factory: Stop setting has-default in ui files
  3d5bd85... widget: Remove special handling for has-default
  00f5e6c... widget: Drop gtk_widget_grab_default
  9def217... window: Fix up the buildable implementation
  507f398... widget: Remove special handling of has-focus
  ea7d8be... Drop gtk_window_activate_focus
  b05ba12... inspector: Stop showing default widget in misc

Commits added to the branch:

  b6c1786... inspector: Make property list sortable again (*)
  e438391... Merge branch 'inspector-prop-sort' into 'master' (*)
  c983130... window: Fix up the buildable implementation (*)
  c92938b... widget: Remove special handling of has-focus (*)
  3b62d9c... Drop gtk_window_activate_focus (*)
  25f4bb2... Avoid critical warnings (*)
  3643a9f... Merge branch 'focus-cleanup' into 'master' (*)
  aa8ada3... widget: Add a convenience api to activate actions (*)
  1364eb2... window: Add a default-widget property
  65052a5... Rename gtk_window_set_default
  56e95dd... popover: Add a default-widget property
  e464c08... window: Add a default.activate action
  3ccdad7... popover: Add a default.activate action
  f4880f5... Add gtk_widget_activate_default
  7553d0c... label: Activate default via action
  218d635... entry: Activate default via action
  0ae71ca... mount operation: Handle default activation via action
  3d1fdf7... file chooser: Stop using gtk_window_activate_default
  0ae958d... Drop gtk_window_activate_default
  89f7b97... Stop using gtk_widget_grab_default
  fe3796e... widget-factory: Stop setting has-default in ui files
  6d73443... widget: Remove special handling for has-default
  59d50be... widget: Drop gtk_widget_grab_default
  8880d27... inspector: Stop showing default widget in misc
  92e21c3... Drop the can-default property

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