* use metacontroller's decoratorcontroller to create CrawlJob from Job
* scheduled job work:
- use existing job name for scheduled crawljob
- use suspended job, set startTime, completionTime and succeeded status on job when crawljob is done
- simplify cronjob template: remove job_image, cron_namespace, using same namespace as crawls,
placeholder job image for cronjobs
* move storage quota check to crawljob handler:
- add 'skipped_quota_reached' as new failed status type
- check for storage quota before checking if crawljob can be started, fail if not (check before any pods/pvcs created)
* frontend:
- show all crawls in crawl workflow, no need to filter by status
- add 'skipped_quota_reached' status, show as 'Skipped (Quota Reached)', render same as failed
* migration: make release namespace available as DEFAULT_NAMESPACE, delete old cronjobs in DEFAULT_NAMESPACE and recreate in crawlers namespace with new template
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