Bump src/github.com/cloudfoundry-incubator/bits-service
Bump src/github.com/cloudfoundry-incubator/bits-service

Bump src/github.com/cloudfoundry-incubator/bits-service
  Peter Goetz:
     Minor refactoring: extract bufferAndEtagFrom function
     Return 409/StatusConflict in case app doesn't exist during package upload

cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release