• Update to 1.10.0
• Add LICENSE_FILE
• Remove outdated PORTSCOUT
• Re-enable SZIP option by default: it was changed unintentionally in r398300

Changes: https://www.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.0/src/hdf5-1.10.0-RELEASE.txt

		https://www.hdfgroup.org/HDF5/doc/ADGuide/Changes.html