fetcher -> fetch
Propagate error when `raise_error` is true
Agent#trigger: Include serf.name
Expose TaskQueue
Add #task_id and use as logger title
Shortcut for agent.confg
Remove Master#distribute

dupes with Agent::Actions#.distribute
Trailing "\n"
Add Mamiya::Agent::Tasks::Clean
Implement Mamiya::Agent::Tasks::Fetch
agent: Handle mamiya:task event to enqueue jobs
Switch Actions#distribute to use TaskQueue

- Add Actions#order_task for ordering tasks