2005-03-03  Richard Hult  <richard@imendio.com>

	* src/planner-cmd-manager.c: (transaction_cmd_do),
	(transaction_cmd_undo), (planner_cmd_manager_begin_transaction),
	(planner_cmd_manager_end_transaction):
	* src/planner-task-cmd.c:
	* src/planner-task-tree.c: (planner_task_tree_remove_task): Finish
	the implementation of undo transactions and use them for deleting
	many tasks. Also apply patch from fmoraes@nc.rr.com.