change kubernetes client to use k8s api at master after breaking kubernetes API change
change kubernetes client to use k8s api at master after breaking kubernetes API change

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