applications: added GitKraken image and improved description (!6005) · Merge requests · GitLab.com / www-gitlab-com · GitLab

Do not update/delete: Banner broadcast message test data

Do not update/delete: Notification broadcast message test data

Achilleas Pipinellis requested to merge smith-kyle/www-gitlab-com-gitkraken-applications into master May 12, 2017

Replaces https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/5247