api/v2store:  use camel case instead of snake case.
api/v2store:  use camel case instead of snake case.

rnaveiras/etcd,etcd-io/etcd,mqliang/etcd,li-ang/etcd,mkumatag/etcd,gyuho/etcd,cockroachdb/etcd,coreos/etcd,mkumatag/etcd,mkumatag/etcd,rnaveiras/etcd,coreos/etcd,ajityagaty/etcd,etcd-io/etcd,cockroachdb/etcd,ajityagaty/etcd,gyuho/etcd,rnaveiras/etcd,ajityagaty/etcd,joshix/etcd,joshix/etcd,mqliang/etcd,dannysauer/etcd,li-ang/etcd,mqliang/etcd,etcd-io/etcd,dannysauer/etcd