Initial 2020 commit

Custom_MNS/custom_hierarchical_mns.py

Custom_Toolchains/compiler/pgi.py

Custom_Toolchains/fft/intelfftw.py

Custom_Toolchains/gcccoremkl.py

Custom_Toolchains/gmvapich2c.py

Custom_Toolchains/gmvmklc.py

Custom_Toolchains/gmvolfc.py

Custom_Toolchains/gpsmkl.py

Custom_Toolchains/imvapich2c.py

Custom_Toolchains/imvmklc.py

Custom_Toolchains/pmvapich2c.py

Custom_Toolchains/pmvmklc.py