updates to MD protocol and examples

examples/COUPLE/lammps_mc/README

examples/COUPLE/lammps_mc/log.28Aug18.file.g++.1

examples/COUPLE/lammps_mc/log.28Aug18.file.g++.4

examples/COUPLE/lammps_mc/log.28Aug18.zmq.g++.1

examples/COUPLE/lammps_mc/log.28Aug18.zmq.g++.4

examples/COUPLE/lammps_mc/mc.cpp

examples/COUPLE/lammps_mc/mc.h

examples/COUPLE/lammps_vasp/README

examples/COUPLE/lammps_vasp/vasp_wrap.py

examples/message/README

examples/message/Script.sh

examples/message/in.message

examples/message/in.message.client

examples/message/in.message.tilt

examples/message/in.message.tilt.client

examples/message/in.message.tilt.server

examples/message/log.28Aug18.message.client.file.g++.1

examples/message/log.28Aug18.message.client.file.g++.2

examples/message/log.28Aug18.message.client.mpione.g++.1

examples/message/log.28Aug18.message.client.mpione.g++.2