General update, including new MNS

Custom_EasyBlocks/2019a/boost.py

Custom_EasyBlocks/2019a/elpa.py

...syBlocks/2019a/generic/versionindependentpythonpackage.py

Custom_EasyBlocks/2019a/pgi.py

Custom_EasyBlocks/2019a/psmpi.py

Custom_MNS/2019a/custom_hierarchical_mns.py

Custom_MNS/2019a/flexible_custom_hierarchical_mns.py

...b/Boost/Boost-1.69.0-gmvapich2c-2019a-GDR-Python-3.6.8.eb

Golden_Repo/2019a/c/CUDA/CUDA-10.1.105.eb

Golden_Repo/2019a/e/EasyBuild/EasyBuild-3.9.4.eb

Golden_Repo/2019a/i/icc/icc-2019.5.281-GCC-8.3.0.eb

...en_Repo/2019a/i/iccifort/iccifort-2019.5.281-GCC-8.3.0.eb

Golden_Repo/2019a/i/ifort/ifort-2019.5.281-GCC-8.3.0.eb

...n_Repo/2019a/i/impi-settings/impi-settings-2019-UCX-UD.eb

..._Repo/2019a/i/impi-settings/impi-settings-2019-default.eb

...9a/i/impi-settings/impi-settings-2019-large-job-hybrid.eb

...2019a/i/impi-settings/impi-settings-2019-large-job-mpi.eb

...a/i/impi/impi-2018.5.288-iccifort-2019.3.199-GCC-8.3.0.eb

...a/i/impi/impi-2019.3.199-iccifort-2019.3.199-GCC-8.3.0.eb

...a/i/impi/impi-2019.6.154-iccifort-2019.5.281-GCC-8.3.0.eb