Update some developer docs
In https://cmucl.org/doc/index.html, the section Developer Information has some outdated information. Either update this or link to the wiki pages that has more up-to-date info.
Edited by Raymond Toy
In https://cmucl.org/doc/index.html, the section Developer Information has some outdated information. Either update this or link to the wiki pages that has more up-to-date info.