Docs: update GitLab products description (!4354) · Merge requests · GitLab.org / GitLab · GitLab

Marcia Ramos requested to merge docs-rename-products-new-policy-ee into master Feb 01, 2018

What does this MR do?

Ports https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16862 to EE
Replaces references to "EES/EEP/EEU" to "Starter/Premium/Ultimate"