wal: add ReleaseLockTo test
wal: add ReleaseLockTo test

mitake/etcd,swingbach/etcd,mqliang/etcd,HideoYamauchi/etcd,nkhare/etcd,QuantiumTechnology/etcd,offscale/etcd,bspline/etcd,plasticbox/etcd,hpcloud/etcd,offscale/etcd,Eagle-X/etcd,CrazyJvm/etcd,ylong/etcd,crandles/etcd,OyTao/etcd_learning,bakins/etcd,pengzj/etcd,mkumatag/etcd,ylong/etcd,snailwalker/etcd,olark/etcd,giantswarm/etcd,QuantiumTechnology/etcd,mike-lerch/etcd,fasaxc/etcd,combk8s/etcd,onlyjob/etcd,swingbach/etcd,mgoelzer/etcd-fork2,asim/etcd,sinsharat/etcd,svdata/etcd,fasaxc/etcd,luxas/etcd,polvi/etcd,iamqizhao/etcd,HideoYamauchi/etcd,mischief/etcd,Eagle-X/etcd,tamird/etcd,handsomesun/etcd,qqsun8819/etcd,junxu/etcd,lumjjb/etcd,etcd-io/etcd,visheshnp/etcd,endocode/etcd,shakefu/etcd,Winslett/etcd,improbable-io/etcd,freeloop1114/etcd,jonboulle/etcd,qqsun8819/etcd,njharman/etcd,Yhgenomics/etcd,mwitkow-io/etcd,rnaveiras/etcd,xueshanf/etcd,gosharplite/etcd,barakmich/etcd,hongchaodeng/etcd,Timer/etcd,Timer/etcd,gityf/etcd,nekto0n/etcd,openedbox/etcd,coreos/etcd,nieanan/etcd,wantonsolutions/dinv-etcd,joshix/etcd,insionng/etcd,westhood/etcd,hongchaodeng/etcd,westhood/etcd,coreos/etcd,whuwxl/etcd,devfreesg/etcd,StorReduce/etcd,kingland/etcd,axingblog/etcd,xdlinear/etcd,yifan-gu/etcd,pauldallen/etcd,justintung/etcd,gosharplite/etcd,bdarnell/etcd,sebrandon1/etcd,freeloop1114/etcd,li-ang/etcd,olark/etcd,buaazp/etcd,dalanlan/etcd,yichengq/etcd,jeremyeder/etcd,xiang90/etcd,bspline/etcd,csuideal/etcd,tamird/etcd,shakefu/etcd,hroyrh/etcd,arthurcolle/etcd,iamqizhao/etcd,gae123/etcd,onlyjob/etcd,arthurcolle/etcd,hongbinz/etcd,heyitsanthony/etcd,ravigadde/etcd,axingblog/etcd,sinsharat/etcd,a-robinson/etcd,endocode/etcd,snailwalker/etcd,vimalk78/etcd,mqliang/etcd,lzbgt/etcd,jefby/etcd,wantonsolutions/dinv-etcd,akauppi/etcd,rchicoli/etcd,tguangch/etcd,siddontang/etcd,giantswarm/etcd,siddontang/etcd,sayden/etcd,improbable-io/etcd,lorneli/etcd,lorneli/etcd,honeyqa/etcd,beni55/etcd,Yhgenomics/etcd,cockroachdb/etcd,ktateish/etcd,mqliang/etcd,mgoelzer/etcd-fork2,msanterre/etcd,delkyd/etcd,jmptrader/etcd,delkyd/etcd,bluebreezecf/etcd,glevand/coreos--etcd,devfreesg/etcd,princeqjzh/etcd,linuxcer/etcd,oscarrr110/etcd,mickep76/etcd,bluebreezecf/etcd,TheHippo/etcd,xychu/etcd,dnaeon/etcd,armstrongli/etcd,njucslqq/etcd,luxas/etcd,ajityagaty/etcd,SivagnanamCiena/etcd,gtank/etcd,jonboulle/etcd,chipironcin/etcd,sebrandon1/etcd,tguangch/etcd,hzy001/etcd,rchicoli/etcd,rnaveiras/etcd,rnaveiras/etcd,wfxiang08/etcd,YuleiXiao/etcd,steveeJ/etcd,spacejam/etcd,kkaneda/etcd,shafreeck/etcd,ecnahc515/etcd,mwitkow/etcd,Winslett/etcd,CrazyJvm/etcd,nkhare/etcd,yyljlyy/etcd,vimalk78/etcd,elimisteve/etcd,honeyqa/etcd,shafreeck/etcd,dnaeon/etcd,njucslqq/etcd,elimisteve/etcd,wantonsolutions/dinv-etcd,crandles/etcd,yichengq/etcd,glycerine/etcd,hpcloud/etcd,etcd-io/etcd,nekto0n/etcd,linuxcer/etcd,xueshanf/etcd,betawaffle/etcd,OyTao/etcd_learning,combk8s/etcd,dalanlan/etcd,jlamillan/etcd,dannysauer/etcd,princeqjzh/etcd,qiaochao911/etcd,betawaffle/etcd,jmptrader/etcd,nieanan/etcd,mike-lerch/etcd,glevand/coreos--etcd,cognusion/etcd,fasaxc/etcd,insequent/etcd,jefby/etcd,bdarnell/etcd,jchauncey/etcd,tangkun75/etcd,bakins/etcd,msanterre/etcd,shawnps/etcd,hzy001/etcd,raoofm/etcd,es-chow/etcd,zaphod-concur/etcd,a-robinson/etcd,etcd-io/etcd,ecnahc515/etcd,insequent/etcd,achanda/etcd,openedbox/etcd,YuleiXiao/etcd,fgbreel/etcd,pauldallen/etcd,plasticbox/etcd,heyitsanthony/etcd,svdata/etcd,kkaneda/etcd,raoofm/etcd,steveeJ/etcd,StorReduce/etcd,sebschrader/etcd,armstrongli/etcd,qiaochao911/etcd,gyuho/etcd,mkumatag/etcd,gouyang/etcd,gouyang/etcd,wowsoso/etcd,barakmich/etcd,cchamplin/etcd,chenbaihu/etcd,jravetch/etcd,TheHippo/etcd,yifan-gu/etcd,shawnps/etcd,chenbaihu/etcd,sebschrader/etcd,lumjjb/etcd,hongbinz/etcd,dannysauer/etcd,glycerine/etcd,glensc/etcd,xiang90/etcd,mickep76/etcd,youxidev/etcd,kingland/etcd,mwitkow-io/etcd,tangkun75/etcd,fanminshi/etcd,tempbottle/etcd,handsomesun/etcd,akauppi/etcd,asim/etcd,mwitkow/etcd,csuideal/etcd,polvi/etcd,xebitstudios/etcd,tempbottle/etcd,xychu/etcd,es-chow/etcd,pengzj/etcd,mischief/etcd,oscarrr110/etcd,imzhulei/etcd,zaphod-concur/etcd,mkumatag/etcd,wfxiang08/etcd,xdlinear/etcd,insionng/etcd,xebitstudios/etcd,gyuho/etcd,ajityagaty/etcd,jchauncey/etcd,fanminshi/etcd,SivagnanamCiena/etcd,buaazp/etcd,glensc/etcd,youxidev/etcd,purpleidea/etcd,hroyrh/etcd,spacejam/etcd,lzbgt/etcd,cognusion/etcd,whuwxl/etcd,wowsoso/etcd,fgbreel/etcd,joshix/etcd,chipironcin/etcd,ravigadde/etcd,yudai/etcd,purpleidea/etcd,imzhulei/etcd,li-ang/etcd,junxu/etcd,gityf/etcd,jravetch/etcd,yudai/etcd,jlamillan/etcd,ktateish/etcd,beni55/etcd,gae123/etcd,cockroachdb/etcd,cchamplin/etcd,gtank/etcd,achanda/etcd,sofuture/etcd,jeremyeder/etcd,ajityagaty/etcd,justintung/etcd,yyljlyy/etcd,njharman/etcd,visheshnp/etcd,sofuture/etcd,mitake/etcd,sayden/etcd