lnwallet: during shutdown properly wait for all goroutines to exit
lnwallet: during shutdown properly wait for all goroutines to exit

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