Add a new :orientation property to determine whether text is positioned

Add a new :orientation property to determine whether text is positioned

Sat Jul 17 23:11:04 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkiconview.h:
	* gtk/gtkiconview.c (gtk_icon_view_class_init):
	* gtk/gtkiconview.c (gtk_icon_view_set_orientation):
	* gtk/gtkiconview.c (gtk_icon_view_get_orientation):
	* gtk/gtkiconview.c (gtk_icon_view_calculate_item_size):
	* gtk/gtkiconview.c (gtk_icon_view_layout_single_row):
	Add a new :orientation property to determine whether text
	is positioned below or beside icons.  (#147463)