Update avatar container name so it doesnt conflict with other image containers
Bug from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7206 renders all wiki images circular
Before:
After:
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Bug from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7206 renders all wiki images circular
Before:
After: