move back to upstream logrus

Godeps/Godeps.json

Godeps/_workspace/src/github.com/Sirupsen/logrus/.gitignore

Godeps/_workspace/src/github.com/Sirupsen/logrus/.travis.yml

Godeps/_workspace/src/github.com/Sirupsen/logrus/LICENSE

Godeps/_workspace/src/github.com/Sirupsen/logrus/README.md

Godeps/_workspace/src/github.com/Sirupsen/logrus/entry.go

...s/_workspace/src/github.com/Sirupsen/logrus/entry_test.go

...ce/src/github.com/Sirupsen/logrus/examples/basic/basic.go

...pace/src/github.com/Sirupsen/logrus/examples/hook/hook.go

Godeps/_workspace/src/github.com/Sirupsen/logrus/exported.go

...ps/_workspace/src/github.com/Sirupsen/logrus/formatter.go

...ce/src/github.com/Sirupsen/logrus/formatter_bench_test.go

...ps/_workspace/src/github.com/Sirupsen/logrus/hook_test.go

Godeps/_workspace/src/github.com/Sirupsen/logrus/hooks.go

...src/github.com/Sirupsen/logrus/hooks/airbrake/airbrake.go

...src/github.com/Sirupsen/logrus/hooks/papertrail/README.md

...github.com/Sirupsen/logrus/hooks/papertrail/papertrail.go

...b.com/Sirupsen/logrus/hooks/papertrail/papertrail_test.go

...ace/src/github.com/Sirupsen/logrus/hooks/sentry/README.md

...ace/src/github.com/Sirupsen/logrus/hooks/sentry/sentry.go