Merge branch 'master' into 2222-deploy-boards-polling

* master:
  Added info about Admin user ability to push to protected brances.

doc/user/project/protected_branches.md

@@ -15,6 +15,9 @@ By default, a protected branch does four simple things:
 - it prevents **anyone** from force pushing to the branch
 - it prevents **anyone** from deleting the branch
 
+**Note**: A GitLab admin is allowed to push to the protected branches. 
+
+
 See the [Changelog](#changelog) section for changes over time.
 
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