Log: Migrate 'agent.go' to seelog
Log: Migrate 'agent.go' to seelog

swipely/amazon-ecs-agent,swipely/amazon-ecs-agent,aws/amazon-ecs-agent,swipely/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,swipely/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent