Add SPDX information to all modules
SPDX support is being added here: !10200 (merged)
All VTK modules and third party should be modified to conform to the SPDX way of specifying license and copyrights.
SPDX support is being added here: !10200 (merged)
All VTK modules and third party should be modified to conform to the SPDX way of specifying license and copyrights.