Grails: custom response marshalling

Grails: custom response marshalling

I have chosen this one:
https://github.com/aruizca/grails-marshallers

But there are a lot of topics:

https://jira.grails.org/browse/GRAILS-10567
http://stackoverflow.com/questions/24171450/grails-excluding-class-from-json-response-works-only-after-hot-code-loading
http://stackoverflow.com/questions/8175286/custom-string-formatting-in-grails-json-marshaller/8186689#8186689
http://stackoverflow.com/questions/10188643/how-to-register-a-custom-json-marshaller-in-grails
http://manbuildswebsite.com/2010/02/15/rendering-json-in-grails-part-3-customise-your-json-with-object-marshallers/
http://stackoverflow.com/questions/4973919/inject-grails-application-configuration-into-service