fix readme
fix readme

bileto/transitfeed,galvinford/transitfeed,avilaton/transitfeed,Censio/transitfeed,zarnold/transitfeed,bileto/transitfeed,google/transitfeed,galvinford/transitfeed,google/transitfeed,galvinford/transitfeed,Censio/transitfeed,google/transitfeed,avilaton/transitfeed,Censio/transitfeed,zarnold/transitfeed,bileto/transitfeed,digideskio/transitfeed,zarnold/transitfeed,digideskio/transitfeed,avilaton/transitfeed,digideskio/transitfeed