Sync vendors with govendor

vendor/cloud.google.com/go/compute/metadata/metadata.go

vendor/github.com/BurntSushi/toml/.gitignore

vendor/github.com/BurntSushi/toml/.travis.yml

vendor/github.com/Microsoft/go-winio/.gitignore

vendor/github.com/Sirupsen/logrus/.gitignore

vendor/github.com/Sirupsen/logrus/.travis.yml

vendor/github.com/ayufan/golang-kardianos-service/.gitignore

.../github.com/cloudfoundry-incubator/candiedyaml/.gitignore

...github.com/cloudfoundry-incubator/candiedyaml/.travis.yml

vendor/github.com/codegangsta/cli/.travis.yml

vendor/github.com/davecgh/go-spew/spew/testdata/dumpcgo.go

vendor/github.com/emicklei/go-restful/.gitignore

...ub.com/emicklei/go-restful/swagger/test_package/struct.go

vendor/github.com/getsentry/raven-go/.dockerignore

vendor/github.com/getsentry/raven-go/.gitignore

vendor/github.com/getsentry/raven-go/.gitmodules

vendor/github.com/getsentry/raven-go/.travis.yml

vendor/github.com/getsentry/raven-go/Dockerfile.test

vendor/github.com/ghodss/yaml/.gitignore

vendor/github.com/ghodss/yaml/.travis.yml