[plugin adoption]: Google Cloud Storage

[Craig Barber]

The Cloud Graphite: Platforms team would like to adopt the GCS plugin.

github repo: https://github.com/jenkinsci/google-storage-plugin

github username: https://github.com/craigatgoogle

[Craig Barber]

Created an issue against the project to track the transfer: https://issues.jenkins-ci.org/browse/JENKINS-55767

[Alexandra Goultiaeva]

I've agreed to the transfer; I've made a Github issue if you need confirmation from my Github account:

https://github.com/jenkinsci/google-storage-plugin/issues/49

[Craig Barber]

Also created an issue in the repo: https://github.com/jenkinsci/google-storage-plugin/issues/50