* gdk/linux-fb/gdkpango-fb.c:
Remove old implementation. Use pangoft2 instead.
* gdk/linux-fb/gdkprivate-fb.h:
Remove PangoFBFont and related stuff.
* gdk/linux-fb/gdkwindow-fb.c:
Implement drawable->get_visible_region.
Implement support for _gdk_window_set_child_handler () and
_gdk_window_get_decorations().