Adds a dismiss button to alerts
Adds a dismiss button to alerts

Fixes #1426 - Make it easier to dismiss errors and alert confirmations

ualch9/onebusaway-iphone,OneBusAway/onebusaway-iphone,themonki/onebusaway-iphone,themonki/onebusaway-iphone,OneBusAway/onebusaway-iphone,OneBusAway/onebusaway-iphone,ualch9/onebusaway-iphone,OneBusAway/onebusaway-iphone,themonki/onebusaway-iphone,OneBusAway/onebusaway-iphone,ualch9/onebusaway-iphone,themonki/onebusaway-iphone,themonki/onebusaway-iphone,ualch9/onebusaway-iphone,ualch9/onebusaway-iphone