Engine changes

Add addr helpers (will be split off into own package)
Engine status updates (log and data dir display)
Use GetPairFormat for various exchanges instead of calling the config
QA fixes
Implement GCTRPC exchange deposit address handling

engine/engine_types.go

@@ -21,6 +21,7 @@ type Settings struct {
 	EnableDeprecatedRPC         bool
 	EnableCommsRelayer          bool
 	EnableExchangeSyncManager   bool
+	EnableDepositAddressManager bool
 	EnableTickerSyncing         bool
 	EnableOrderbookSyncing      bool
 	EnableEventManager          bool