broken links in docs
the links to the stretch and buster sources are busted:
controls@rossa:~$ wget -c http://apt.ligo-wa.caltech.edu/debian/pool/stretch-unstable/cdssoft-release-stretch/cdssoft-release-stretch_1.3.2_all.deb
--2020-01-27 18:24:08-- http://apt.ligo-wa.caltech.edu/debian/pool/stretch-unstable/cdssoft-release-stretch/cdssoft-release-stretch_1.3.2_all.deb
Resolving apt.ligo-wa.caltech.edu (apt.ligo-wa.caltech.edu)... 198.129.208.70
Connecting to apt.ligo-wa.caltech.edu (apt.ligo-wa.caltech.edu)|198.129.208.70|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2020-01-27 18:24:08 ERROR 404: Not Found.