Document new build method in release notes
Document new build method in release notes

chrysalag/lenskit,linjunleo/lenskit,tajinder-txstate/lenskit,vaibhav345/lenskit,binweiwu/lenskit,tajinder-txstate/lenskit,binweiwu/lenskit,kluver/lenskit,blankazucenalg/lenskit,chrysalag/lenskit,vijayvani/Lenskit,aglne/lenskit,martinlaz/lenskit,kluver/lenskit,tajinder-txstate/lenskit,vijayvani/Lenskit,martinlaz/lenskit,amaliujia/lenskit,kluver/lenskit,aglne/lenskit,amaliujia/lenskit,vaibhav345/lenskit,linjunleo/lenskit,blankazucenalg/lenskit,kluver/lenskit,tajinder-txstate/lenskit,kluver/lenskit,vaibhav345/lenskit,vaibhav345/lenskit