Fixing the comments date

Adapting the controllers

Adapting the tests

Refactoring the comments creation

Refactoring the post controller

Creating a service for the post

Refactoring the author controller

Fix service

Creating our first service for the author

Adapting the controller

Writing the redirection test

Adding the route to the AdminBundle header

Creating the action in the security controller

Adapting the firewall

Cleaning templates and testing the posts administration