Implements #349. Adds a donate button to the info list.
Implements #349. Adds a donate button to the info list.

Additionally, a bit of minor clean up + moved the URL strings to constants. Removed "localization" on the URL strings too, because that makes no sense. Note that the current privacy policy URL is returning a 404.

OneBusAway/onebusaway-iphone,cathy810218/onebusaway-iphone,aaronbrethorst/onebusaway-iphone,cathy810218/onebusaway-iphone,aaronbrethorst/onebusaway-iphone,ualch9/onebusaway-iphone,aaronbrethorst/onebusaway-iphone,ualch9/onebusaway-iphone,OneBusAway/onebusaway-iphone,OneBusAway/onebusaway-iphone,cathy810218/onebusaway-iphone,themonki/onebusaway-iphone,themonki/onebusaway-iphone,chadsy/onebusaway-iphone,OneBusAway/onebusaway-iphone,tomtclai/onebusaway-iphone,tomtclai/onebusaway-iphone,ualch9/onebusaway-iphone,ualch9/onebusaway-iphone,OneBusAway/onebusaway-iphone,whip112/onebusaway-iphone,whip112/onebusaway-iphone,cathy810218/onebusaway-iphone,themonki/onebusaway-iphone,themonki/onebusaway-iphone,whip112/onebusaway-iphone,themonki/onebusaway-iphone,ualch9/onebusaway-iphone,tomtclai/onebusaway-iphone,chadsy/onebusaway-iphone,aaronbrethorst/onebusaway-iphone,chadsy/onebusaway-iphone,whip112/onebusaway-iphone,chadsy/onebusaway-iphone