new file:   replayer/Makefile
	new file:   replayer/createMPIComm.cpp
	new file:   replayer/createMPIComm.h
	deleted:    replayer/function_list.h
	modified:   replayer/mpi_player.cpp
	new file:   replayer/read_run.cpp
	new file:   replayer/read_run.h
passed compile with gcc 8.3.1
tested with allreduce