* stable-2.9:
Enable automatic close changes on 'refs/meta/config'
Implement pagination in group list screen
Add option 'n' and 'S' to groups REST API to limit group results.
Do not refresh group list if filter did not change
Don't show the submit button for draft patch sets
Prevent draft changes from being abandoned
Allow plugins to refresh Gerrit's menu bar
Change-Id: Iedfdea0105829119dfe5e2d729bb53b55b233d74
b2eb1260bb