- 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
* Addition of py-filelock and first page of versions.
* Addition of setup.py patch for setuptools.
* flake8 failure fixes.
* Reduced url declaration to a single line.
* Correction to py-filelock to use distutils.