CHANGELOG: add "--host-whitelist" change
CHANGELOG: add "--host-whitelist" change

Signed-off-by: Gyuho Lee <3454051ee3341eb69bdf6fca40899cdad4d86496@gmail.com>

mkumatag/etcd,gyuho/etcd,lorneli/etcd,rnaveiras/etcd,etcd-io/etcd,bdarnell/etcd,mkumatag/etcd,cockroachdb/etcd,xiang90/etcd,ajityagaty/etcd,etcd-io/etcd,gyuho/etcd,rnaveiras/etcd,fanminshi/etcd,sebrandon1/etcd,mkumatag/etcd,ajityagaty/etcd,bdarnell/etcd,sinsharat/etcd,mqliang/etcd,coreos/etcd,glevand/coreos--etcd,li-ang/etcd,joshix/etcd,fanminshi/etcd,glevand/coreos--etcd,mqliang/etcd,li-ang/etcd,vimalk78/etcd,xiang90/etcd,ajityagaty/etcd,coreos/etcd,etcd-io/etcd,vimalk78/etcd,joshix/etcd,sebrandon1/etcd,lorneli/etcd,dannysauer/etcd,sinsharat/etcd,rnaveiras/etcd,dannysauer/etcd,cockroachdb/etcd,mqliang/etcd