[gnome-shell] (17 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:

  c235b30... st-widget: Make into a concrete class
  163fefe... st-widget: Don't use deprecated API
  1b9f1bb... st-widget: Don't explicitly check for ClutterContainer inhe
  8cdca53... st-widget: Copy get_focus_chain and navigate_focus from StC
  9ac5b78... st-widget: Keep track of first/last children
  1dd5f43... st-widget: Add a proper paint, add st_widget_paint_backgrou
  d8d52ce... st-widget: Implement a proper get_preferred_width/height
  d632e6d... st-widget: Implement a proper allocate
  b587f15... st-container: Remove ClutterContainer implementation
  45b1a63... st-container: Remove st_container_destroy_children
  3d18ef8... st-box-layout: Remove insert_actor/insert_before
  712326d... st: Simplify paint_volume handling
  396fe7b... st: Remove st-group
  bddea5d... st-container: Remove st_container_get_children_list
  f88b9c4... st: Remove st-container
  fa341e0... st: Remove custom text direction stuff
  bf842ff... st: Remove _st_allocate_fill