SPDX: tag everything, make REUSE compliant
For release (and product) purposes, SPDX-tag all the files in the Quick DER repo as best I can find. While here, clean up some bits and pieces that don't do anything anymore.
For release (and product) purposes, SPDX-tag all the files in the Quick DER repo as best I can find. While here, clean up some bits and pieces that don't do anything anymore.