Link to logo use guidelines on /press
Per https://gitlab.slack.com/archives/C0AKZRSQ5/p1507077453000068, on https://about.gitlab.com/press/ link to https://gitlab.com/gitlab-com/gitlab-artwork/blob/master/README.md in the Images & Logos section
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Per https://gitlab.slack.com/archives/C0AKZRSQ5/p1507077453000068, on https://about.gitlab.com/press/ link to https://gitlab.com/gitlab-com/gitlab-artwork/blob/master/README.md in the Images & Logos section