Update Google App Engine import paths in README (#233)
Update Google App Engine import paths in README (#233)

Google got away with non-qualified names for a long time. See note in
the appengine README here for more details:

https://github.com/golang/appengine#2-update-import-paths
mondough/stripe-go,ChannelMeter/stripe-go,mondough/stripe-go,dominicphillips/stripe-go,stripe/stripe-go,froatsnook/stripe-go,dominicphillips/stripe-go,stripe/stripe-go,froatsnook/stripe-go,ChannelMeter/stripe-go