* Add the 'exciting' package.
Version 14 (latest available) is defined.
An as-of-yet unpublished patch (dfgather.patch) from the developers is also
included.
* fixed flake8 errors (I *thought* I had already gotten them! OOPS!)
* Update var/spack/repos/builtin/packages/exciting/package.py
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>
* fixed install method to just do the install, and no build method is needed.
* *Actually* added the lapack dependency!
* removed variant from blas dependency
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>