Moving avatar related code to Tickit\Component\Avatar
Parameterising the avatar twig extension class configuration
Removing the Tickit\Component\DomainObject namespace in favour of Tickit\Component\Decorator
Append .class to avatar twig extension config parameter
Merge pull request #62 from tickit-project/feature/domain-object-namespace-refactor

Renaming the DomainObject component to Decorator
Merge pull request #61 from tickit-project/feature/avatar-component

Moving avatar related code to Tickit\Component\Avatar
Merging conflicts