raft: add full stop to every function comment
raft: add full stop to every function comment

jravetch/etcd,elimisteve/etcd,Winslett/etcd,openedbox/etcd,mischief/etcd,polvi/etcd,asim/etcd,steveeJ/etcd,jefby/etcd,honeyqa/etcd,luxas/etcd,visheshnp/etcd,tamird/etcd,shafreeck/etcd,sebrandon1/etcd,es-chow/etcd,njucslqq/etcd,hpcloud/etcd,ravigadde/etcd,lumjjb/etcd,a-robinson/etcd,barakmich/etcd,zaphod-concur/etcd,QuantiumTechnology/etcd,HideoYamauchi/etcd,gityf/etcd,bdarnell/etcd,lorneli/etcd,tamird/etcd,dterei/etcd,wfxiang08/etcd,shafreeck/etcd,kkaneda/etcd,olark/etcd,qiaochao911/etcd,shawnps/etcd,crandles/etcd,pigfoot/etcd,heyitsanthony/etcd,rnaveiras/etcd,endocode/etcd,akauppi/etcd,gtank/etcd,sinsharat/etcd,elimisteve/etcd,wantonsolutions/dinv-etcd,chai2010/etcd,heyitsanthony/etcd,pauldallen/etcd,bakins/etcd,robszumski/etcd,hzy001/etcd,jeremyeder/etcd,jravetch/etcd,rchicoli/etcd,xebitstudios/etcd,YuleiXiao/etcd,mkumatag/etcd,gityf/etcd,kkaneda/etcd,chipironcin/etcd,jchauncey/etcd,qiaochao911/etcd,giantswarm/etcd,nieanan/etcd,insionng/etcd,handsomesun/etcd,axingblog/etcd,etcd-io/etcd,chai2010/etcd,mike-lerch/etcd,svdata/etcd,robszumski/etcd,hongbinz/etcd,mitake/etcd,beni55/etcd,CrazyJvm/etcd,raoofm/etcd,iamqizhao/etcd,snailwalker/etcd,sinsharat/etcd,offscale/etcd,barakmich/etcd,achanda/etcd,glevand/coreos--etcd,whuwxl/etcd,sofuture/etcd,hongchaodeng/etcd,Winslett/etcd,freeloop1114/etcd,yyljlyy/etcd,yifan-gu/etcd,purpleidea/etcd,pengzj/etcd,OyTao/etcd_learning,yudai/etcd,nkhare/etcd,xychu/etcd,nieanan/etcd,freeloop1114/etcd,oscarrr110/etcd,tangkun75/etcd,princeqjzh/etcd,cockroachdb/etcd,csuideal/etcd,bluebreezecf/etcd,honeyqa/etcd,ajityagaty/etcd,insequent/etcd,SivagnanamCiena/etcd,TheHippo/etcd,fasaxc/etcd,sayden/etcd,lumjjb/etcd,fanminshi/etcd,csuideal/etcd,mitake/etcd,gae123/etcd,hongbinz/etcd,njharman/etcd,hongchaodeng/etcd,gyuho/etcd,msanterre/etcd,pengzj/etcd,mickep76/etcd,svdata/etcd,mqliang/etcd,yichengq/etcd,bspline/etcd,tguangch/etcd,junxu/etcd,tangkun75/etcd,mwitkow/etcd,delkyd/etcd,mwitkow-io/etcd,ylong/etcd,fanminshi/etcd,shawnps/etcd,xychu/etcd,sebrandon1/etcd,swingbach/etcd,bspline/etcd,kingland/etcd,lzbgt/etcd,QuantiumTechnology/etcd,ktateish/etcd,arthurcolle/etcd,TheHippo/etcd,devfreesg/etcd,arthurcolle/etcd,steveeJ/etcd,snailwalker/etcd,endocode/etcd,jlamillan/etcd,youxidev/etcd,SivagnanamCiena/etcd,ktateish/etcd,bdarnell/etcd,glycerine/etcd,hroyrh/etcd,siddontang/etcd,mgoelzer/etcd-fork2,glensc/etcd,lorneli/etcd,glevand/coreos--etcd,xebitstudios/etcd,ajityagaty/etcd,westhood/etcd,jlamillan/etcd,tguangch/etcd,fasaxc/etcd,xiang90/etcd,raoofm/etcd,cockroachdb/etcd,dterei/etcd,joshix/etcd,olark/etcd,joshix/etcd,bakins/etcd,swingbach/etcd,devfreesg/etcd,etcd-io/etcd,armstrongli/etcd,gosharplite/etcd,hroyrh/etcd,mkumatag/etcd,msanterre/etcd,coreos/etcd,qqsun8819/etcd,insionng/etcd,iamqizhao/etcd,mqliang/etcd,combk8s/etcd,mwitkow-io/etcd,insequent/etcd,gae123/etcd,cchamplin/etcd,buaazp/etcd,sebschrader/etcd,a-robinson/etcd,njucslqq/etcd,purpleidea/etcd,junxu/etcd,plasticbox/etcd,wantonsolutions/dinv-etcd,sofuture/etcd,CrazyJvm/etcd,chai2010-playground/etcd,fasaxc/etcd,es-chow/etcd,wowsoso/etcd,Timer/etcd,chipironcin/etcd,lzbgt/etcd,jchauncey/etcd,yyljlyy/etcd,wowsoso/etcd,li-ang/etcd,cognusion/etcd,mickep76/etcd,mike-lerch/etcd,tempbottle/etcd,shakefu/etcd,dalanlan/etcd,improbable-io/etcd,gyuho/etcd,mwitkow/etcd,ecnahc515/etcd,gosharplite/etcd,princeqjzh/etcd,Eagle-X/etcd,plasticbox/etcd,jonboulle/etcd,hpcloud/etcd,handsomesun/etcd,dalanlan/etcd,rnaveiras/etcd,xdlinear/etcd,armstrongli/etcd,buaazp/etcd,StorReduce/etcd,jmptrader/etcd,betawaffle/etcd,vimalk78/etcd,betawaffle/etcd,openedbox/etcd,westhood/etcd,sayden/etcd,fgbreel/etcd,pauldallen/etcd,shakefu/etcd,StorReduce/etcd,li-ang/etcd,chenbaihu/etcd,nekto0n/etcd,Yhgenomics/etcd,Eagle-X/etcd,xueshanf/etcd,OyTao/etcd_learning,HideoYamauchi/etcd,nekto0n/etcd,axingblog/etcd,wfxiang08/etcd,improbable-io/etcd,delkyd/etcd,dnaeon/etcd,kingland/etcd,qqsun8819/etcd,onlyjob/etcd,mgoelzer/etcd-fork2,onlyjob/etcd,giantswarm/etcd,hzy001/etcd,nkhare/etcd,fgbreel/etcd,cognusion/etcd,cchamplin/etcd,ajityagaty/etcd,jeremyeder/etcd,luxas/etcd,ylong/etcd,offscale/etcd,chenbaihu/etcd,jefby/etcd,vimalk78/etcd,Timer/etcd,wantonsolutions/dinv-etcd,gtank/etcd,mischief/etcd,linuxcer/etcd,coreos/etcd,chai2010-playground/etcd,rnaveiras/etcd,achanda/etcd,siddontang/etcd,justintung/etcd,imzhulei/etcd,oscarrr110/etcd,tempbottle/etcd,beni55/etcd,spacejam/etcd,linuxcer/etcd,ecnahc515/etcd,gouyang/etcd,etcd-io/etcd,mqliang/etcd,crandles/etcd,rchicoli/etcd,ravigadde/etcd,jonboulle/etcd,dannysauer/etcd,youxidev/etcd,Yhgenomics/etcd,glycerine/etcd,YuleiXiao/etcd,justintung/etcd,combk8s/etcd,yichengq/etcd,xueshanf/etcd,bluebreezecf/etcd,dannysauer/etcd,jmptrader/etcd,xiang90/etcd,whuwxl/etcd,dnaeon/etcd,akauppi/etcd,imzhulei/etcd,gouyang/etcd,zaphod-concur/etcd,njharman/etcd,asim/etcd,yudai/etcd,mkumatag/etcd,sebschrader/etcd,yifan-gu/etcd,visheshnp/etcd,glensc/etcd,xdlinear/etcd,polvi/etcd,spacejam/etcd