README: update irc channel to #etcd
README: update irc channel to #etcd

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