Update admin_area/license docs for new UI

Closes #11138

See merge request gitlab-org/gitlab-ee!10955

Bump Nokogiri to 1.10.3

See merge request gitlab-org/gitlab-ce!27560

Add doc cross links for large repositories

See merge request gitlab-org/gitlab-ce!27303

Remove unused code

See merge request gitlab-org/gitlab-ce!27557

This pulls in a fix for libxslt that addresses CVE-2019-11068:
https://github.com/sparklemotion/nokogiri/releases

Fix preventing approval of merge requests by an author

See merge request gitlab-org/gitlab-ee!11263

This commit fixes the case when author is a committer
If merge request approvals are disabled for an author
then Approve button should be hidden for the author

Resolve "Renaming an image via Web IDE corrupts it"

Closes #57293

See merge request gitlab-org/gitlab-ce!27486

This reverts commit e8c1c930c3bc7c159463ed3bed8765db01b40328.

Add Victor Wu as proofreader

See merge request gitlab-org/gitlab-ce!27527

Update GitLab Runner Helm Chart to 0.4.0/11.10.0

See merge request gitlab-org/gitlab-ce!27508

Docs: update feature name "Pipelines for Merged Results"

See merge request gitlab-org/gitlab-ce!27551

Document how to use GitLab.com only badges

See merge request gitlab-org/gitlab-ce!27546

Functionality added in
https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/449

Docs: fixes grammar/typo

See merge request gitlab-org/gitlab-ce!27547

Add missing Epic `state` property to docs

See merge request gitlab-org/gitlab-ee!11314

Add documentation for the ability to purchase extra CI minutes

See merge request gitlab-org/gitlab-ee!11238

Link to notifications in epics

Closes #7651

See merge request gitlab-org/gitlab-ee!9839

Fix instance level project templates QA spec

See merge request gitlab-org/gitlab-ee!10861

Improve performance of login test and remove comments

See merge request gitlab-org/gitlab-ce!27515

The comments were TODOs but there were no explanation of what
needed to be done.

Also, I think the expectation describes very well how it checks
that the user is logged in.

Finally, as Robert C. Martin said once:
"After you check in a TODO comment it turns into a DON'T DO"

Fix Group LDAP Sync specs

See merge request gitlab-org/gitlab-ee!10855

Docs review edits: scoped labels

See merge request gitlab-org/gitlab-ee!11351