Brooklyn’s Clap Your Hands Say Yeah have spent the bulk of 2005 as this year’s model of the Indie Rock Critical Darling. Their self-titled debut album — itself a lean and mean platter of exuberant pop — found its way into the marketplace with backing from several of the more respected MP3 blogs and critical acclaim from Rolling Stone, who put them on their Hot List earlier this year. From there, the raves were amplified…