Docs: Review and refactor CE and EE readmes
The source of GitLab Enterprise Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-ee).
# ![logo](https://about.gitlab.com/images/gitlab_logo.png) GitLab
## Free trial
You can request a free trial of GitLab Ultimate [on our website](https://about.gitlab.com/free-trial/).
## Subscriber onboarding information
Thank you for purchasing a GitLab subscription!
For standard subscribers, please see **emergency contact info and other useful information** in [the Standard subscribers README](https://gitlab.com/standard/standard-subscriber-information/tree/master#README).
GitLab Enterprise Edition repository:
https://gitlab.com/gitlab-com/gitlab-ee
Download GitLab Enterprise Edition:
https://about.gitlab.com/downloads-ee
Documentation:
http://doc.gitlab.com/ee/
To upgrade from CE, just perform a normal upgrade, but use an EE package:
https://about.gitlab.com/upgrade/
If you need help with your GitLab installation and for any technical questions please see the [support page](https://about.gitlab.com/support/)
For all other questions, please see our [contact page](https://about.gitlab.com/contact/)