Provide is_dirty TreeItem attribute to front-end
Add get_all_pootle_paths test
Add page auto-refresh notice (initially hidden; needs some JS wiring)
Add RQ stats to admin dashboard
Add page auto-refresh notice (JS wiring)
Refresh cached statistic as RQ job

refresh_stats command adds RQ job instead of refreshing
Increase timeout for refresh_stats RQ job
Add split_pootle_path test