Use a fallback non-openid security realm if connection between the client master and JOC is down.
Add support for cluster-wide logout
Trying to onboard a Jenkins master that's already connected results in an empty page
JOC client should report client URL to JOC so that admin can track down orphan master
Invalidate all user sessions if switching back from off-line login support mode
Null Pointer Exception while loading operatons center client