modified:   replayer/Makefile
	deleted:    replayer/include/GlobalComm.h
	modified:   replayer/include/commset.h
	renamed:    replayer/include/_MSGLOG_.h -> replayer/include/msglog.h
	new file:   replayer/src/GlobalComm.c
	deleted:    replayer/src/GlobalComm.cpp
	modified:   replayer/src/commset.c

    rewrite GlobalComm with standard c instead of c++, so it can be used
    inside openmpi