update rake prepare_data
update rake prepare_data

ranmocy/rCaltrain,paulirish/caltrainschedule.io,paulirish/caltrainschedule.io,ranmocy/rCaltrain,ranmocy/rCaltrain,ranmocy/rCaltrain,ranmocy/rCaltrain,paulirish/caltrainschedule.io,ranmocy/rCaltrain