rpc: ensure wallet balances are returned in units of BTC
rpc: ensure wallet balances are returned in units of BTC

ddustin/lnd,LightningNetwork/lnd,AndrewSamokhvalov/lnd,LightningNetwork/lnd,AndrewSamokhvalov/lnd,bryanvu/lnd,ddustin/lnd,bryanvu/lnd,aakselrod/lnd,aakselrod/lnd