update __version__ to 1.2.1
update __version__ to 1.2.1

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