Merge branch 'docs-replace-libre-w-core' into 'master'

Docs: replaces "Libre" => "Core"

See merge request gitlab-org/gitlab-ce!18060

doc/README.md

@@ -211,9 +211,9 @@ straight away.
 
 ### GitLab self-hosted
 
-With GitLab self-hosted, you deploy your own GitLab instance on-premises or on a private cloud of your choice. GitLab self-hosted is available for [free and with paid subscriptions](https://about.gitlab.com/products/): Libre, Starter, Premium, and Ultimate.
+With GitLab self-hosted, you deploy your own GitLab instance on-premises or on a private cloud of your choice. GitLab self-hosted is available for [free and with paid subscriptions](https://about.gitlab.com/products/): Core, Starter, Premium, and Ultimate.
 
-Every feature available in Libre is also available in Starter, Premium, and Ultimate.
+Every feature available in Core is also available in Starter, Premium, and Ultimate.
 Starter features are also available in Premium and Ultimate, and Premium features are also
 available in Ultimate.
 
@@ -227,7 +227,7 @@ GitLab.com subscriptions grants access
 to the same features available in GitLab self-hosted, **expect
 [administration](administration/index.md) tools and settings**:
 
-- GitLab.com Free includes the same features available in GitLab Libre
+- GitLab.com Free includes the same features available in Core
 - GitLab.com Bronze includes the same features available in GitLab Starter
 - GitLab.com Silver includes the same features available in GitLab Premium
 - GitLab.com Gold includes the same features available in GitLab Ultimate

doc/administration/index.md

@@ -11,8 +11,8 @@ available through [different subscriptions](https://about.gitlab.com/products/).
 
 You can [install GitLab CE or GitLab EE](https://about.gitlab.com/installation/ce-or-ee/),
 but the features you'll have access to depend on the subscription you choose
-(Libre, Starter, Premium, or Ultimate). GitLab Community Edition installations
-only have access to Libre features.
+(Core, Starter, Premium, or Ultimate). GitLab Community Edition installations
+only have access to Core features.
 
 GitLab.com is administered by GitLab, Inc., therefore, only GitLab team members have
 access to its admin configurations. If you're a GitLab.com user, please check the

doc/user/project/issue_board.md

@@ -251,7 +251,7 @@ Different issue board features are available in different [GitLab tiers](https:/
 
 | Tier | Number of project issue boards | Board with configuration in project issue boards | Number of group issue boards | Board with configuration in group issue boards |
 | --- | --- | --- | --- | --- |
-| Libre    | 1        | No  | 1        | No  |
+| Core    | 1        | No  | 1        | No  |
 | Starter  | Multiple | Yes | 1        | No  |
 | Premium  | Multiple | Yes | Multiple | Yes |
 | Ultimate | Multiple | Yes | Multiple | Yes |