Expose credit tx to cli and test

cmd/basecli/main.go

@@ -65,6 +65,7 @@ func main() {
 	txcmd.RootCmd.AddCommand(
 		// This is the default transaction, optional in your app
 		coincmd.SendTxCmd,
+		coincmd.CreditTxCmd,
 		// this enables creating roles
 		rolecmd.CreateRoleTxCmd,
 		// these are for handling ibc

cmd/basecoin/commands/init.go

@@ -122,7 +122,7 @@ func GetGenesisJSON(chainID, addr string) string {
       ]
     }],
     "plugin_options": [
-      "coin/issuer", {"app": "sigs", "address": "%s"}
+      "coin/issuer", {"app": "sigs", "addr": "%s"}
     ]
   }
 }`, chainID, addr, addr)