utxonursery: update NurseryReport with details of new output types
utxonursery: update NurseryReport with details of new output types

The utxo nursery is now responsible for two additional output types:
outgoing HTLC’s on the commitment transaction of the remote party, and
second-level claim transactions that we broadcast. In this commit,
we’ve updated the NurseryReport to now include details, so users are
able to properly keep track of the status of all their pending coins.

aakselrod/lnd,LightningNetwork/lnd,LightningNetwork/lnd,aakselrod/lnd