add PutMetric endpoint
add PutMetric endpoint

joyent/containerpilot,joyent/containerbuddy,benoittoulme/containerpilot,tgross/containerbuddy,joyent/containerpilot,benoittoulme/containerpilot,joyent/containerbuddy,benoittoulme/containerpilot,joyent/containerpilot,tgross/containerbuddy