2009-09-23  Andreas J. Guelzow <aguelzow@pyrshep.ca>
	slightly modified patches from Albert Gräf <Dr.Graef@t-online.de>

	* src/commands.c (cmd_so_set_button): new
	(CmdSOSetButton): new
	(cmd_so_set_button_redo): new
	(cmd_so_set_button_undo): new
	(cmd_so_set_button_finalize): new
	* src/commands.h (cmd_so_set_button): new
	* src/sheet-object-widget.c (sheet_widget_button_set_link): new
	(sheet_widget_button_get_link): new
	(button_eval): new
	(button_debug_name): new
	(sheet_widget_button_init_full): handle new fields
	(sheet_widget_button_init_full): add argument and change all callers
	(cb_button_pressed): new
	(cb_button_released): new
	(sheet_widget_button_create_widget): handle signals
	(cb_button_set_focus): new
	(sheet_widget_button_copy): handle new fields
	(cb_button_config_destroy): new
	(cb_button_config_ok_clicked): new
	(sheet_widget_button_user_config): new
	(sheet_widget_button_set_sheet): new
	(sheet_widget_button_foreach_dep): new
	(sheet_widget_button_write_xml_sax): handle new fields
	(sheet_widget_button_prep_sax_parser): ditto
	* src/sheet-object-widget.h (sheet_widget_button_set_link): new
	(sheet_widget_button_get_link): new

2009-09-23  Andreas J. Guelzow <aguelzow@pyrshep.ca>
	slightly modified patches from Albert Gräf <Dr.Graef@t-online.de>

	* so-button.glade: new
	* Makefile.am: add so-button.glade
	* help.h: add GNUMERIC_HELP_LINK_SO_BUTTON