Add setting of OMP_NUM_THREADS
Edited online
Clean up more environment variables, fix MPI demo
Fix spelling of COSMOSIS_STANDARD_LIBRARY
Add table of contents to Perlmutter build doc
Update from Tuesday working session
More fixes for Perlmutter build of CosmoSIS
WIP
Fix definitions of TOPDIR and TOP_DIR, again
Fix conflation errors with TOPDIR and TOP_DIR
More update to Perlmutter instructions
Some update to perlmutter build instructions
Start adding instructions for Perlmutter