etcdserver: add stats.LatencyStats and stats.CountsStats types
etcdserver: add stats.LatencyStats and stats.CountsStats types

fasaxc/etcd,betawaffle/etcd,heyitsanthony/etcd,gityf/etcd,dannysauer/etcd,offscale/etcd,li-ang/etcd,mike-lerch/etcd,sebschrader/etcd,lumjjb/etcd,TheHippo/etcd,asim/etcd,hroyrh/etcd,spacejam/etcd,CrazyJvm/etcd,kkaneda/etcd,msanterre/etcd,svdata/etcd,ravigadde/etcd,fanminshi/etcd,wantonsolutions/dinv-etcd,tamird/etcd,ecnahc515/etcd,jefby/etcd,mqliang/etcd,whuwxl/etcd,lorneli/etcd,pauldallen/etcd,akauppi/etcd,fgbreel/etcd,qiaochao911/etcd,hpcloud/etcd,ktateish/etcd,Yhgenomics/etcd,hzy001/etcd,hroyrh/etcd,jchauncey/etcd,axingblog/etcd,visheshnp/etcd,mischief/etcd,shafreeck/etcd,swingbach/etcd,combk8s/etcd,openedbox/etcd,offscale/etcd,jeremyeder/etcd,dnaeon/etcd,TheHippo/etcd,dalanlan/etcd,linuxcer/etcd,rchicoli/etcd,tempbottle/etcd,YuleiXiao/etcd,OyTao/etcd_learning,joshix/etcd,hpcloud/etcd,nkhare/etcd,etcd-io/etcd,snailwalker/etcd,sinsharat/etcd,gityf/etcd,gosharplite/etcd,shawnps/etcd,mkumatag/etcd,barakmich/etcd,mwitkow/etcd,sebrandon1/etcd,YuleiXiao/etcd,jlamillan/etcd,giantswarm/etcd,tangkun75/etcd,bluebreezecf/etcd,njharman/etcd,hongchaodeng/etcd,xiang90/etcd,mike-lerch/etcd,onlyjob/etcd,HideoYamauchi/etcd,a-robinson/etcd,yichengq/etcd,visheshnp/etcd,xychu/etcd,Timer/etcd,ajityagaty/etcd,gosharplite/etcd,glevand/coreos--etcd,handsomesun/etcd,sebrandon1/etcd,jlamillan/etcd,iamqizhao/etcd,kingland/etcd,whuwxl/etcd,heyitsanthony/etcd,siddontang/etcd,tamird/etcd,mwitkow-io/etcd,buaazp/etcd,freeloop1114/etcd,jonboulle/etcd,wfxiang08/etcd,hongbinz/etcd,wowsoso/etcd,tguangch/etcd,lzbgt/etcd,etcd-io/etcd,hongchaodeng/etcd,lumjjb/etcd,xueshanf/etcd,cockroachdb/etcd,yifan-gu/etcd,raoofm/etcd,iamqizhao/etcd,raoofm/etcd,njucslqq/etcd,devfreesg/etcd,youxidev/etcd,insequent/etcd,pengzj/etcd,OyTao/etcd_learning,lzbgt/etcd,pengzj/etcd,dalanlan/etcd,msanterre/etcd,oscarrr110/etcd,csuideal/etcd,yyljlyy/etcd,nekto0n/etcd,beni55/etcd,jeremyeder/etcd,csuideal/etcd,honeyqa/etcd,etcd-io/etcd,fgbreel/etcd,westhood/etcd,gyuho/etcd,elimisteve/etcd,mwitkow-io/etcd,SivagnanamCiena/etcd,njucslqq/etcd,dnaeon/etcd,openedbox/etcd,rnaveiras/etcd,es-chow/etcd,mitake/etcd,hzy001/etcd,pauldallen/etcd,sebschrader/etcd,jravetch/etcd,arthurcolle/etcd,insionng/etcd,jefby/etcd,princeqjzh/etcd,bspline/etcd,gyuho/etcd,freeloop1114/etcd,jravetch/etcd,ecnahc515/etcd,elimisteve/etcd,yudai/etcd,yudai/etcd,xdlinear/etcd,Winslett/etcd,junxu/etcd,dannysauer/etcd,chipironcin/etcd,ylong/etcd,armstrongli/etcd,cchamplin/etcd,tempbottle/etcd,barakmich/etcd,gtank/etcd,mwitkow/etcd,delkyd/etcd,qqsun8819/etcd,mkumatag/etcd,glevand/coreos--etcd,onlyjob/etcd,snailwalker/etcd,bspline/etcd,polvi/etcd,combk8s/etcd,lorneli/etcd,zaphod-concur/etcd,vimalk78/etcd,mischief/etcd,steveeJ/etcd,nekto0n/etcd,oscarrr110/etcd,Eagle-X/etcd,hongbinz/etcd,li-ang/etcd,axingblog/etcd,purpleidea/etcd,sofuture/etcd,polvi/etcd,xdlinear/etcd,cognusion/etcd,xebitstudios/etcd,nieanan/etcd,fanminshi/etcd,jchauncey/etcd,Eagle-X/etcd,wfxiang08/etcd,sofuture/etcd,yyljlyy/etcd,tangkun75/etcd,steveeJ/etcd,gae123/etcd,StorReduce/etcd,crandles/etcd,tguangch/etcd,shafreeck/etcd,mqliang/etcd,Yhgenomics/etcd,bluebreezecf/etcd,wantonsolutions/dinv-etcd,princeqjzh/etcd,shawnps/etcd,kkaneda/etcd,betawaffle/etcd,shakefu/etcd,glensc/etcd,vimalk78/etcd,sinsharat/etcd,ajityagaty/etcd,Winslett/etcd,bdarnell/etcd,wowsoso/etcd,chenbaihu/etcd,jonboulle/etcd,bdarnell/etcd,njharman/etcd,buaazp/etcd,armstrongli/etcd,imzhulei/etcd,coreos/etcd,wantonsolutions/dinv-etcd,StorReduce/etcd,yifan-gu/etcd,glensc/etcd,cognusion/etcd,cchamplin/etcd,delkyd/etcd,endocode/etcd,a-robinson/etcd,Timer/etcd,glycerine/etcd,honeyqa/etcd,achanda/etcd,xueshanf/etcd,endocode/etcd,svdata/etcd,qiaochao911/etcd,ajityagaty/etcd,coreos/etcd,improbable-io/etcd,QuantiumTechnology/etcd,xychu/etcd,zaphod-concur/etcd,cockroachdb/etcd,rnaveiras/etcd,achanda/etcd,arthurcolle/etcd,ravigadde/etcd,nieanan/etcd,es-chow/etcd,olark/etcd,swingbach/etcd,xebitstudios/etcd,yichengq/etcd,nkhare/etcd,linuxcer/etcd,sayden/etcd,ylong/etcd,chipironcin/etcd,crandles/etcd,gtank/etcd,jmptrader/etcd,SivagnanamCiena/etcd,mqliang/etcd,youxidev/etcd,fasaxc/etcd,mitake/etcd,gouyang/etcd,imzhulei/etcd,fasaxc/etcd,spacejam/etcd,xiang90/etcd,luxas/etcd,giantswarm/etcd,shakefu/etcd,HideoYamauchi/etcd,westhood/etcd,gae123/etcd,CrazyJvm/etcd,qqsun8819/etcd,purpleidea/etcd,chenbaihu/etcd,improbable-io/etcd,glycerine/etcd,junxu/etcd,handsomesun/etcd,rnaveiras/etcd,insionng/etcd,ktateish/etcd,asim/etcd,sayden/etcd,devfreesg/etcd,siddontang/etcd,QuantiumTechnology/etcd,rchicoli/etcd,joshix/etcd,gouyang/etcd,beni55/etcd,plasticbox/etcd,mickep76/etcd,kingland/etcd,luxas/etcd,mkumatag/etcd,akauppi/etcd,insequent/etcd,mickep76/etcd,jmptrader/etcd,plasticbox/etcd,olark/etcd