Cybill Shepherd known for her television series hits "Moonlighting" and "Cybill" as well as a long list of movie credits, will award Horace Silver with a United States Congressional Certificate of Recognition of Lifetime Achievement, Saturday, 5 p.m. at the Temecula Valley International Jazz Festival at the Promenade. With a pianist and compositional style that draws from black gospel, bebop, Latin and R&B sources, Horace Silver was one of the major musicians of the hard-bop and soul-jazz mov …