code: public static void configure(String trackerId, String userId){
  		autoCreateAnalyticsIfNull();
  		analytics.create(trackerId).userId(userId).go();
  	}
docs: Creates and configures an {@link Analytics} instance with the trackerId and userId to be used by the framework.
  When using this method, the <code>analytics.js</code> is imported automatically.
  
  @param trackerId The tracker ID. For instance, "UA-XXXX-Y"
  @param userId A string which identifies your user, to be used at the analytics dashboard later on
  
  @see Analytics#create(String)
  @see CreateOptions#userId(String)