Merge branch 'stable-2.3'
By Fredrik Luthander (15) and others
via gerrit code review (7) and Edwin Kempin (1)
* stable-2.3: (25 commits)
Fix case check for project name so that symlinks work again
Move note about changing approval categories to the correct section
Fix spelling mistake in access control documentation
Gerrit 2.3 ReleaseNotes
Fix link in show caches documentation
Access control documentation: Administrator example role
Access control documentation: Project owner example role
Access control documentation: Integrator example role
Access control documentation: CI system example role
Access control documentation: Capability view conn. & queue
Access control documentation: Developer example role
Access control documentation: Capability replication and view caches
Access control documentation: Kill and priority capabilities
Access control documentation: Flush caches capability
Access control documentation: Example roles introduced
Add missing header for suggest.accounts documentation
Add visible-to-all flag in the documentation for cmd-create-group
Access control documentation: Create group and project
Gerrit 2.3 ReleaseNotes
Fix NPEs looking up groups by UUID in GroupCache
...
Conflicts:
Documentation/config-gerrit.txt
gerrit-server/src/main/java/com/google/gerrit/server/git/RepositoryCaseMismatchException.java
Change-Id: Ica57067e0978904875440421f0aaf06ff9051fcc