[gtk+/native-layout] (10 commits) ...Merge branch 'master' into native-layout

[Tristan Van Berkom <tvb src gnome org>]

Summary of changes:

  208ba9b... Make GtkFrame allocate its label considering natural size r (*)
  651bed5... Implement fair extra space allocation (*)
  03dfaf3... Fixed bad typo causing bad vertical requests on frames with (*)
  35105ab... Fix improperly unwinded loops (*)
  32d365f... label: Make angle part of GtkLabelPrivate (*)
  59e7571... Fixed alignment of wrapping labels allocated a greater widt (*)
  4198dd8... Add gdk_display_is_closed (*)
  3ccc617... Completely remove any use of GtkWindow allow-grow and allow (*)
  9ddef23... Fixed expressions in gtk_button_size_allocate() (*)
  8740bd2... Merge branch 'master' into native-layout

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