multi: specify start and end height for ListTransactionDetails

Add start and end height parameters to the rpc and cli GetTransactions
endpoints. Default to returning all transactions from genesis to tip,
including unconfirmed transactions to maintain backwards compatibility.

mock.go

@@ -313,7 +313,7 @@ func (m *mockWalletController) ListUnspentWitness(minconfirms,
 	ret = append(ret, utxo)
 	return ret, nil
 }
-func (*mockWalletController) ListTransactionDetails() ([]*lnwallet.TransactionDetail, error) {
+func (*mockWalletController) ListTransactionDetails(_, _ int32) ([]*lnwallet.TransactionDetail, error) {
 	return nil, nil
 }
 func (*mockWalletController) LockOutpoint(o wire.OutPoint)   {}