- remove the old LGPL license headers from all files in Spack
- add SPDX headers to all files
- core and most packages are (Apache-2.0 OR MIT)
- a very small number of remaining packages are LGPL-2.1-only
* initial version of the package pyTorch (#171)
* adding version 0.4
* flake8 correction
* reordering version, removing run dependecies
* Changing depends_on type to default