Bump src/github.com/petergtz/bitsgo
Bump src/github.com/petergtz/bitsgo

Bump src/github.com/petergtz/bitsgo
  Peter Goetz:
     Implement ETag functionality for non-redirecting blobstores
     Make CCUpdater tolerant against trailing slash in endpoint

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