Bump src/code.cloudfoundry.org/gorouter
Bump src/code.cloudfoundry.org/gorouter

Bump
  Shash Reddy:
     Make changes to support go vet in go 1.7
  shash:
     Updat go version in travis

cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release