[gtk] (13 commits) ...Merge branch 'pick-insensitive2' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  dce2c58... widget: Make contains respect rounded borders (*)
  676ac38... widget: Make contains just be about position (*)
  5b78a30... gizmo: Add a contains_func (*)
  d9cf0ff... paned: Drop the pick vfunc (*)
  5e24454... window: Stop implementing pick (*)
  6bc32a3... widget: Drop the pick vfunc (*)
  b804235... Add a flags argument to gtk_widget_pick (*)
  de0942b... tooltip: Allow tooltips on insensitive widgets again (*)
  0e15b4a... inspector: Allow picking insensitive widgets again (*)
  7ce968f... Document GtkPickFlags (*)
  1b362d1... Keep a drawable check in gtk_widget_contains (*)
  ef982b7... Rename things (*)
  2594593... Merge branch 'pick-insensitive2' into 'master'

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