print device name for mobiles in place of browser version

Author: rahulnwn

lib/utils.js

@@ -24,7 +24,7 @@ var uuid = function uuidGenerator() {
 };
 
 var browserString = function browserString(config) {
-  return config.os + ' ' + config.os_version + ', ' + titleCase(config.browser || config.device) + ' ' + config.browser_version;
+  return config.os + ' ' + config.os_version + ', ' + titleCase(config.browser || config.device) + ' ' + (config.browser_version || config.device);
 };
 
 var objectSize = function objectSize(obj) {