[gtk+] (9 commits) Created branch wip/checked

[Benjamin Otte <otte src gnome org>]

The branch 'wip/checked' was created.

Summary of new commits:

  a05aef4... css: Add a :checked pseudoclass
  b76250b... gtk: Use new :checked state
  d90f7e0... button: Don't honor child-displacement anymore
  b8084c0... button: Remove depressed variable
  958e382... css: Do inconsistent checked states right
  3cbad2e... button: Remove depressed_on_activate
  047e793... gtk: Don't use gtk_render_activity()
  5e57dc4... stylecontext: Update docs for gtk_render_activity()
  dfc10c6... themingengine: Remove hack to draw backgrounds instead of c