[gnome-shell] (18 commits) Created branch wip/clutter-deprecation-fixes

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/clutter-deprecation-fixes' was created.

Summary of new commits:

  6d93d45... st-widget: Make into a concrete class
  4b2b366... st-widget: Don't use deprecated API
  265d8af... st-widget: Don't explicitly check for ClutterContainer inhe
  1d1f9e5... st-widget: Copy get_focus_chain and navigate_focus from StC
  90414e8... st-widget: Keep track of first/last children by property no
  a215795... st-widget: Add a proper paint, add st_widget_paint_backgrou
  019d999... st-widget: Implement a proper get_preferred_width/height
  3844b4b... st-widget: Implement a proper allocate
  9d66794... st-container: Remove ClutterContainer implementation
  267c290... st-container: Remove st_container_destroy_children
  b4a1db0... st-box-layout: Remove insert_actor/insert_before
  09a31fd... st: Simplify paint_volume handling
  883bf53... st: Remove st-group
  ae6bc93... st-container: Remove st_container_get_children_list
  bf828ec... st: Remove st-container
  b7cf202... st: Remove custom text direction stuff
  9132bfa... st: Remove _st_allocate_fill
  d0f7d27... tests: Enable the vertical fade in the scrolling tests