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

Bump src/github.com/cloudfoundry-incubator/bits-service
  Norman Sutorius:
     Add HTTP method to string-to-sign
  Kiran Jain:
     update link to VPN instruction
     update URL to concourse
  Johannes Haass:
     Move error to beginning of debug messages

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