allowe masterkey to extcleint apis

logic/gateway.go

@@ -232,6 +232,9 @@ func DeleteGatewayExtClients(gatewayID string, networkName string) error {
 
 // IsUserAllowedAccessToExtClient - checks if user has permission to access extclient
 func IsUserAllowedAccessToExtClient(username string, client models.ExtClient) bool {
+	if username == Master_uname {
+		return true
+	}
 	user, err := GetUser(username)
 	if err != nil {
 		return false