Switch to internal fork of go-metrics
Switch to internal fork of go-metrics

Don't actually want to do this, but ....

zhang0137/skydns,loveshell/skydns,andrewrothstein/skydns,ZeaLoVe/skydns,AdoHe/skydns,no2key/skydns,weekface/skydns,smarterclayton/skydns,nicescale/skydns,erimatnor/skydns-kubernetes,yonglehou/skydns,vinhhrv/skydns,tonicbupt/skydns,tuannvm/skydns,skynetservices/skydns,netf/skydns,zvelo/zvelo-skydns,hw-qiaolei/skydns