CHANGELOG-3.4: update
CHANGELOG-3.4: update

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

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