etcdserver: make the wal repairing logic clear
etcdserver: make the wal repairing logic clear

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