Non working version with ember-data. Switching to ember-resource
Crud version (no relation, no validation, no url check) with
ember-resource
Merge branch 'master' of git@github.com:FifToine/be.arexo.chat.git

Conflicts:
	grails-app/controllers/be/arexo/chat/PostController.groovy
	grails-app/domain/be/arexo/chat/Post.groovy
Corrected postcontroller (removed mapper), added json marshaller