Imports
- cloud.google.com/go/pubsub
- cloud.google.com/go/storage
- github.com/GoogleCloudPlatform/golang-samples/getting-started/bookshelf
- github.com/gorilla/handlers
- github.com/gorilla/mux
- github.com/satori/go.uuid
- golang.org/x/net/context
- golang.org/x/oauth2
- google.golang.org/api/plus/v1
- google.golang.org/appengine