When we heard Rockmelt was going to announce some news about its social browser becoming available to lots more people, we assumed that meant the Android version was finally ready. Not quite: turns out the company was just referring iPhone users. Indeed, the startup just announced an iPhone version of its news aggregator, which should go nicely with the iPad app that launched back in October. Like the iPad version, it presents articles as endlessly scrollable tiles, not unlike the way your Facebook timeline is laid out. Si