refs #751: updates to newer jetty w/ updated README
refs #751: updates to newer jetty w/ updated README

samvera/hyrax,samvera/hyrax,ndlib/scholarsphere,zhang4952/scholarsphere,jeremyf/sufia,ndlib/scholarsphere,samvera/hyrax,zhang4952/scholarsphere,ndlib/scholarsphere,zhang4952/scholarsphere,jeremyf/sufia,samvera/hyrax,zhang4952/scholarsphere