CUG: recommend Rose under storage and discovery (etc.).
Merge pull request #506 from hjoliver/cug-rose-plug

CUG: recommend Rose under storage and discovery (etc.).
Default batch size 10, delay zero, for job, event, and poll/kill.
Merge pull request #508 from hjoliver/zero-batch-delays

Default batch size 10, delay zero, for job, event, and poll/kill.