Condé Nast has confirmed upcoming iPad versions of its Wired, GQ, Vanity Fair, Glamour, and The New Yorker magazines. According to the New York Times, GQ—which currently offers an iPhone version of its magazine—will have its iPad-formatted version ready for the April issue, while Vanity Fair and Wired—the latter of which has publicly demonstrated a tablet-formatted version of its magazine—will follow with iPad versions of…