2011-09-28 Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/gnm-pane.c (cb_so_menu_activate): delete
	(build_so_menu): delete
	(gnm_pane_display_object_menu): use sheet_object_build_menu instead of
	build_so_menu
	* src/print.c (gnm_print_so): new stub
	* src/print.h (gnm_print_so): new
	* src/sheet-object-impl.h (SheetObjectAction): add field
	* src/sheet-object.c (build_so_menu): rename to sheet_object_build_menu
	(cb_so_print): new
	(sheet_object_can_prop): new
	(sheet_object_populate_menu_real): use enabler/disabler
	(sheet_object_populate_menu): do not recurse infinitely
	(cb_so_menu_activate): combine with the function of same name from src/gnm-pane.c
	(sheet_object_view_button_pressed): use sheet_object_build_menu instead of
	build_so_menu
	* src/sheet-object.h (sheet_object_build_menu): new