Updated release for stable_29Oct2020 LAMMPS version

Releasing version that is compatible with LAMMPS stable release of 29Oct2020 with updated stability and functionality

Release for stable_29Oct2020 LAMMPS version

Releasing current version that is compatible with LAMMPS stable release of 29Oct2020

Corresponding LAMMPS code

This is the LAMMPS version compatible with the old version of AWSEM-MD. The latest LAMMPS code should be used with the current AWSEMMD version.