[gtk+/quartz-integration] (24 commits) ...Merge branch 'master' into quartz-integration

[John Ralls <jralls src gnome org>]

Summary of changes:

  e5c7daa... tests: avoid boxed structs copying where possible (*)
  fb9e4c2... all: avoid boxed structs copying where possible (and 2) (*)
  5b4932a... gtk-demo: don't use a non-existent icon name (*)
  75390b2... Sort GtkApplication windows by most-recently-focused (*)
  8143ce6... GtkApplication: Add window-added/-removed signals (*)
  80a7e21... Make cross-references to gio docs work (*)
  ab6e336... GtkAppChooser: improve docs (*)
  ee18c5f... gtk/gtkfilechooserbutton: gtk_misc_set_alignment (*)
  d291709... gtkcustompaperunixdialog: gtk_misc_set_alignment (*)
  95fd3d7... gtk/gtknotebook: gtk_misc_set_alignment replacing (*)
  7839c27... gtk/gtkcolorsel: gtk_misc_set_alignment replacing (*)
  7ef362e... GtkEntryCompletion: add a sanity check (*)
  8d9f413... gtkeditable.c: Remove unused variable in example code (*)
  0705474... GtkEntry: don't forget to disconnect idles (*)
  5abadc6... GtkIconTheme: a small optimization (*)
  0b9cd78... Add annotations to gtk_css_provider_load_from_data (*)
  949125b... Make tracker search engine less verbose (*)
  1c261fe... GtkSearchEngineTracker: avoid an unused variable warning (*)
  9062925... Add tests for GtkTreePath (*)
  2833cc2... Change GtkTreePath to grow exponentially (*)
  c56150e... Fix an example (*)
  4cd9009... Trivial NULL vs 0 confusion (*)
  1371a86... GtkLabel: Make selection behave more similar to GtkEntry (*)
  15c5fcf... Merge branch 'master' into quartz-integration

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