[libdazzle] Created tag 3.31.1

[Christian Hergert <chergert src gnome org>]

The signed tag '3.31.1' was created.

Tagger: Christian Hergert <chergert redhat com>
Date: 1539047420 -0700

    release 3.31.1

Changes since the last tag '3.30.0':

Christian Hergert (21):
      list-model-filter: fix log domain
      Post-release version bump
      prefs: add API for simplified table columns
      menus: hide separator for empty sections
      app-window: use dzl_clear_source()
      app-window: use dzl_clear_signal_handler()
      build: require gtk 3.24
      app-window: use GtkEventControllerMotion for motion tracking
      app-window: fix loss of fullscreen window state by WM
      menus: align shortcuts to the right
      shortcuts: add more debug macros
      shorcuts: special case shift+tab for keyboard movement
      shorcuts: add DzlShortcutTooltip
      shortcuts: remove debug code
      shortcuts: allow overriding the accel for a tooltip
      shortcut: track action name as if it were a command
      shortcut: handle widgets with no controller
      shortcuts: be more lax on shortcut manager discovery
      build: setup various link args and disable asserts
      build: bump meson dep
      build: release 3.31.1

Georges Basile Stavracas Neto (2):
      model-filter: Use correct iter when parsing added items
      list-model-filter: Emit items-changed when removing all items