Support enforcement of all necessary limits (e.g. total nodes for user+bank)

[garlick]

This tracks advanced limits needed for rollout of Flux as the native resource manager on production systems. We define advanced limits as those that require coordination between flux-core and projects such as flux-sched and flux-accounting.

Needed for production ready system instance

• plugin: enforce max resource limits across an association's running jobs flux-accounting#559

Other

• feasibility check: reject jobs that exceed static node/core policy limits defined per RFC 33 flux-sched#642
• feasibility check: reject jobs that exceed time of day dependent limits flux-sched#984
• schedule job start times with time of day dependent limits as a factor flux-sched#840
• RFC33: add time-of-day dependent limits rfc#343
• job-manager: enforce time-of-day dependent limits #4658

Triage

• use cases for partition + qos or queues #4306 (contains use cases from @ryanday36)