from vana: changing yannos_MPI.
               all proc sending to rank 0 before disk writing
 Modified Files:
 	Changlog nms/module_modes.f90 yannos/module_com_minos.f90
 	yannos/sub_minosa4.f yannos/util_minos.f90
 	yannos/yannos_MPI.f90
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