The Mazda5 is Mazda's answer to the minivan -- its smaller, sportier answer that gets better gas mileage than most minivans. Though the Mazda5 has a lot of what families need in an efficient package, Americans haven't really gotten behind the Mazda5. Mazda is updating the Mazda5 in hopes of capturing more of the American market.The "2011 Mazda5" features sharp creases in its body, as well as a