Move reschedule and send_error_notification calls to signal instead of RunResource class.
Re-orden methods.
Move reschedule failed notification to notifications module.
Move run failed notification to notifications module.
Add run_on_all_workers field to Job model.
Change schedule_now to schedule.
Make reschedule use the schedule method when dts has been calculated.
Cleanup import.
Create run for every worker if run_on_all_workers is True.
Implement broadcasting run_on_all_workers job-runs.
Implement run_on_all_workers in post_run_update signal callback.
Implement broadcasting run_on_all_workers jobs.
Change runs view template to tables.
Show which run has been disabled.
Make sure schedule_id is set on creation.
Add last_completed_schedule_id field to Job to cache the last completed schedule_id.
Add filter to only return the last completed runs for each job.
Update cleanup.
Add extra tab for scheduled but enqueue disabled.
Add counts per tab.