etcdctl: a new option for quorum get
etcdctl: a new option for quorum get

Current etcdctl seems to lack an option for specifying quorum flag for
GET. This commit adds the option.

endocode/etcd,westhood/etcd,dnaeon/etcd,rnaveiras/etcd,mickep76/etcd,bdarnell/etcd,gyuho/etcd,vimalk78/etcd,YuleiXiao/etcd,Timer/etcd,hongchaodeng/etcd,glevand/coreos--etcd,cockroachdb/etcd,etcd-io/etcd,nekto0n/etcd,StorReduce/etcd,luxas/etcd,OyTao/etcd_learning,purpleidea/etcd,armstrongli/etcd,a-robinson/etcd,chipironcin/etcd,xiang90/etcd,OyTao/etcd_learning,mqliang/etcd,cockroachdb/etcd,fasaxc/etcd,raoofm/etcd,sayden/etcd,siddontang/etcd,achanda/etcd,lumjjb/etcd,fanminshi/etcd,jlamillan/etcd,sinsharat/etcd,ajityagaty/etcd,glevand/coreos--etcd,sinsharat/etcd,dnaeon/etcd,plasticbox/etcd,armstrongli/etcd,li-ang/etcd,joshix/etcd,heyitsanthony/etcd,lumjjb/etcd,cchamplin/etcd,sofuture/etcd,xiang90/etcd,mqliang/etcd,dannysauer/etcd,etcd-io/etcd,whuwxl/etcd,mkumatag/etcd,sebrandon1/etcd,StorReduce/etcd,vimalk78/etcd,mickep76/etcd,glycerine/etcd,fasaxc/etcd,achanda/etcd,mkumatag/etcd,Timer/etcd,tamird/etcd,ktateish/etcd,coreos/etcd,endocode/etcd,mqliang/etcd,luxas/etcd,bluebreezecf/etcd,akauppi/etcd,a-robinson/etcd,zaphod-concur/etcd,handsomesun/etcd,mkumatag/etcd,bdarnell/etcd,qqsun8819/etcd,swingbach/etcd,etcd-io/etcd,ravigadde/etcd,sayden/etcd,heyitsanthony/etcd,li-ang/etcd,shawnps/etcd,rchicoli/etcd,tguangch/etcd,visheshnp/etcd,raoofm/etcd,wantonsolutions/dinv-etcd,cchamplin/etcd,gyuho/etcd,rchicoli/etcd,hongchaodeng/etcd,wantonsolutions/dinv-etcd,shawnps/etcd,fanminshi/etcd,rnaveiras/etcd,rnaveiras/etcd,handsomesun/etcd,YuleiXiao/etcd,zaphod-concur/etcd,oscarrr110/etcd,jonboulle/etcd,ajityagaty/etcd,lorneli/etcd,plasticbox/etcd,linuxcer/etcd,yudai/etcd,joshix/etcd,linuxcer/etcd,jonboulle/etcd,nekto0n/etcd,coreos/etcd,ajityagaty/etcd,siddontang/etcd,qqsun8819/etcd,sofuture/etcd,ktateish/etcd,akauppi/etcd,purpleidea/etcd,whuwxl/etcd,fasaxc/etcd,insequent/etcd,yudai/etcd,lorneli/etcd,tguangch/etcd,westhood/etcd,glycerine/etcd,chipironcin/etcd,CrazyJvm/etcd,oscarrr110/etcd,jlamillan/etcd,dannysauer/etcd,CrazyJvm/etcd,bluebreezecf/etcd,visheshnp/etcd,tamird/etcd,ravigadde/etcd,insequent/etcd,wantonsolutions/dinv-etcd,swingbach/etcd,sebrandon1/etcd