the default path for the NetMHCIIpan binary tarball file
Arguments
netmhc2pan_folder_name
the folder (to be) used by NetMHCIIpan.
From this location, a subfolder for NetMHCIIpan is created.
Use get_default_netmhc2pan_folder to see the location
of the default NetMHCIIpan folder.
Use get_default_netmhc2pan_subfolder to see the location
of the default NetMHCIIpan subfolder.
netmhc2pan_archive_filename
the NetMHC2pan archive
filename, for example netMHCIIpan-3.2.Linux.tar.gz,
which is used in installation of NetMHC2pan.
Use get_netmhc2pan_archive_filename to get this filename.