19Jan21 version files changed by 24Jun21 upgrade:

doc/Manual.html
doc/Manual.txt
doc/Section_commands.html
doc/Section_commands.txt
doc/app_diffusion_multiphase.html
doc/app_diffusion_multiphase.txt
doc/diffusion_multiphase.html
doc/diffusion_multiphase.txt
examples/diffusion_multiphase/README
examples/diffusion_multiphase/in.pairwise_weights
examples/diffusion_multiphase/in.pin_filler
examples/diffusion_multiphase/in.variable_phase_fraction
examples/diffusion_multiphase/log.pairwise_weights.June22.2021.linux.8
examples/diffusion_multiphase/log.pin_filler.June22.2021.linux.8
examples/diffusion_multiphase/log.variable_phase_fraction.June22.2021.linux.8
examples/diffusion_multiphase/vf03_nvox100.st
src/MAKE/Makefile.kachemak.gnu
src/MAKE/Makefile.mac_mpi
src/app_diffusion_multiphase.cpp
src/app_diffusion_multiphase.h
src/version.h