Log Message:
Update to 2.8.10:

Overview of Changes from GTK+ 2.8.9 to GTK+ 2.8.10
==================================================
* Derive GtkObject from GInitiallyUnowned instead of
  GObject, if possible. Note that this change is known
  to break versions of the GTK+ Perl bindings older
  than GTK+ Perl 2.13.4. [Tim Janik]

* Add a setting to allow falling back to another icon
  theme before trying hicolor. [Rodney Dawes]

* Require GLib 2.8.5

* Updated translations (ca,el,es,fr,hi,it,ko,pt_BR,vi)

* Bugs fixed:
 137351 GtkEntryCompletion sometimes selects first completion item
        [Niklas Knutsson]
 165714 GtkEntryCompletion doesn't complete on paste [Christian Neumair]
 317687 gnome-panel crash by clicking on settings
 321548 speed up gtk_text_iter_set_visible_line_index [Paolo
        Borelli]
 323843 Garbage in gtk_text_view_get_border_window_size()
 323876 Broadcasting _GTK_LOAD_ICONTHEMES is a performance
        bug [Peter Lund]
 324044 Documentation entry for GtkTreeView::row-activated
        [Davyd Madeley]
 323504 Gtk-CRITICAL when dragging a launcher from the menu
        to the top panel [Kjartan Maraas]
 323655 Improved support for Icon Naming Spec in unix filesystem
        backend [Rodney Dawes]
 323995 hidden widgets distort the left/right/up/down focus
        order [Dan Winship]
 324588 icon_view auto dnd and the item-activated signal
        [Dave Andreoli]
 322475 icon view's horizontal layout doesn't respect
        item_width [Alex Graveley]
 324815 Typo in gtkwindow.c [Ross Burton]
 324996 Description about gtk_im_context_filter_keypress on API
        reference
 323666 gdk_window_scroll doesn't invalidate if another top-level
        is above window [John Ehresman]
 322264 gdk_drawable_get_visible_region win32 / x11 inconsistency
        [John Ehresman]
 325358 word erase in text fields considers space as a separate
        word [Akkana Peck]
 325443 gtk_drag_begin doesn't work unless given a motion event
        [Peter Harvey]
 325723 gtk_ui_manager_get_toplevels does not return an empty
        list [Steve Chaplin]
 305894 excessive memory use in gdk_pixbuf_new_from_file_XXX
        functions [Denis Vlasenko, Michael Natterer]
 325199 The API reference for gtk_exit() states that it's
        deprecated but doesn't state the replacement function,
        if any [Ævar Arnfjörð Bjarmason]
 325869 GtkViewPort not releasing signal handlers on destruction
        [Jorn Baayen]
 325782 GtkToolButton ::clicked signal should set G_SIGNAL_ACTION
        [Martyn Russell]
 325817 FileChooserButton uses "Home" instead of directory name
        [Federico Mena Quintero]
 326098 label alignment is wrong when width-chars is set [Benjamin Otte]
 326200 translations in GtkActionGroup erroneously translated
        [Christian Stimming]
 326429 in gtk.h, twice the same lines [Benoît Carpentier]
 326064 Artifacts on some widgets [Andrew Conkling]