- 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
* coinhsl: add version 2014.01.10 (stable)
* coinhsl: make 2014.01.10 preferred version
Make Harwell Subroutines Library for IPOPT version 2014.01.10 the
preferred version because it is the latest stable version released.
* coinhsl: add option to link w/ BLAS libraries
