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:
     Add metrics exists_in_blobstore-time, copy_in_blobstore-time

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