raft: print out data and time in log
raft: print out data and time in log

Keep the default log setting consistent with other packages.

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