2003-07-06  Andreas J. Guelzow  <aguelzow@taliesin.ca>

	* src/GNOME_Gnumeric.xml: clean up the sheet insert/append issue
	* src/workbook-control-gui.c: ditto
	(cb_insert_sheet): insert the sheet after the current sheet
	  rather than append
	(cb_append_sheet): append a new sheet
	(sheet_action_add_sheet): use cmd_... via cb_append_sheet rather
	  than adding without undo
	(sheet_action_insert_sheet): new