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

[John Ralls <jralls src gnome org>]

Summary of changes:

  25a4e8e... Don't return a value from a void function (*)
  dc2ae6c... Don't emit a nonexisting signal (*)
  e756b2e... Use canonical names (*)
  095ea84... Make destroying assistants work again (*)
  2da37ba... Don't run testfocus in 'make check' (*)
  f9c4977... Update expected test output (*)
  2b5140c... Avoid a compiler warning (*)
  6d33c78... Get rid of the focus_gtk vfunc (*)
  3bfa69f... Don't use object data for layer (*)
  793a863... Merge branch 'master' into quartz-integration

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