Shortcut for agent.config
Call Tasks::Abstract#errored on error
Remove Master#distribute

dupes with Agent::Actions#.distribute
Trailing "\n"
Add Mamiya::Agent::Tasks::Clean
Add 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
Add logger title
Abort queueing_thread on exception
Enhance logging
Don't load mamiya/agent

It requires Agent::Tasks::Abstract, and it's not defined yet.
agent: Enable tasks
Don't raise error when handler doesn't respond
clean: coalesce=false
Default values
status.task_queues -> queues
distribution API for new task queue
rename: app name, app -> myapp
rename: agent_monitor_spec keys