Cleanup artifacts section in Docs (!2619) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Do not update/delete: Banner broadcast message test data

Do not update/delete: Notification broadcast message test data

username-removed-87654 requested to merge mablae/gitlab-ce:fix-build-artifacts-doc into master Jan 26, 2016

Added Note that artifact collection is only done for successful builds.
Cleaned up Windows Support and Version notes.