Instructions for building the virtualenvs on both cheyenne and geyser

For cheyenne build the virtualenv from master:

setenv POSTPROCESS_PATH [full-path-to-root-of-postprocessing_ch]

git clone https://github.com/NCAR/CESM_postprocessing.git postprocessing_ch

cd postprocessing_ch

make clobber

make clobber-env

./create_python_env -machine cheyenne

must also build on geyser:

execgy

setenv POSTPROCESS_PATH [full-path-to-root-of-postprocessing_geyser]

git clone https://github.com/NCAR/CESM_postprocessing.git postprocessing_geyser

cd postprocessing_geyser

make clobber

make clobber-env

./create_python_env -machine geyser