When HP announced last month that it would open-source webOS, the outfit seemed mighty pleased (and relieved) to have finally made a definitive decision regarding the fate of its $1.2-billion-dollar software experiment. In fact, though, the company's initial announcement was light on detail, other than the fact that webOS will live on with the help of developers both inside and outside HP. Now, the company's ready to talk specifics: HP says it expects the software will be fully open-sourced by September, at which point its official name will be Open webOS 1.0. The first piece of the puzzle is arriving today in the form of the second-gen