"Chutzpah" isn't a Chinese word, but a Chinese Internet startup sure seems to have it. Despite the short holiday week, a recent wave of postponements and an investor animus that's kept Chinese IPOs off the market for nearly eight months, as of midday Monday YY was still set to go public with its eponymous ticker on Tuesday. YY does come to market with an impressive growth history and an unusual product offering. Founded in 2005, it built a