Display "No fare info" when cents = -1.

[binh-dam-ibigroup]

I suppose this logic could be reused in the trip-details component to handle cases where cents show as -1. (If that's the case, trip details and the itinerary summary render different things).

Originally posted by @binh-dam-ibigroup in opentripplanner/otp-react-redux#849 (comment)