Add mb_subtree_free animate action and fix bugs. - Free members of a coord in rdman_coord_subtree_free(). - Fix core dump issue of subject_notify() that can not free subjects well.

#ifndef __MB_H_
#define __MB_H_

#include "mb_types.h"
#include "mb_redraw_man.h"
#include "mb_X_supp.h"
#include "mb_animate.h"
#include "mb_shapes.h"

#endif /* __MB_H_ */