Update vendor.

Gopkg.lock

Gopkg.toml

vendor/github.com/fluent/fluent-logger-golang/LICENSE

...r/github.com/fluent/fluent-logger-golang/fluent/fluent.go

...or/github.com/fluent/fluent-logger-golang/fluent/proto.go

...ithub.com/fluent/fluent-logger-golang/fluent/proto_gen.go

...ub.com/fluent/fluent-logger-golang/fluent/test_message.go

...om/fluent/fluent-logger-golang/fluent/test_message_gen.go

.../github.com/fluent/fluent-logger-golang/fluent/version.go

vendor/github.com/nightlyone/lockfile/.gitignore

vendor/github.com/nightlyone/lockfile/.gitmodules

vendor/github.com/nightlyone/lockfile/.travis.yml

vendor/github.com/nightlyone/lockfile/LICENSE

vendor/github.com/nightlyone/lockfile/README.md

vendor/github.com/nightlyone/lockfile/appveyor.yml

vendor/github.com/nightlyone/lockfile/lockfile.go

vendor/github.com/nightlyone/lockfile/lockfile_unix.go

vendor/github.com/nightlyone/lockfile/lockfile_windows.go

vendor/github.com/oklog/ulid/.gitignore

vendor/github.com/oklog/ulid/.travis.yml