2004-06-23 Alvaro del Castillo  <acs@barrapunto.com>

	* src/planner-calendar-dialog.c
	* src/planner-day-type-dialog.c
	* src/planner-group-dialog.c
	* src/planner-phase-dialog.c
	* src/planner-project-properties.c
	* src/planner-resource-cmd.c
	* src/planner-resource-dialog.c
	* src/planner-resource-view.c
	* src/planner-task-cmd.c
	* src/planner-task-dialog.c
	* src/planner-task-tree.c:
	Change strings from undo command to fix bug #144742 and
	use the new undo API call planner_cmd_new which fix the
	more hard change in bug #144734.