<shameless-plug> I've prepared something similar and posted it to HN some time ago: http://news.ycombinator.com/item?id=4488787 http://news.ycombinator.com/item

<shameless-plug> I've prepared something similar and posted it to HN some time ago: http://news.ycombinator.com/item?id=4488787 http://news.ycombinator.com/item?id=4488787 Feel free to cross-pollinate! </shameless-plug>