change to Symfony >=2.3.0,<2.4.0
Merge branch 'master' into symfony-2.3

* master:
  use self.version for Kunstmaan Bundles
  Symfony 2.2 and Kunstmaan bundles 2.2.8.* dependency
  Add translations
  composer fix
  Update composer.json
  Update composer.json

Conflicts:
	composer.json
update doc
Merge pull request #23 from Kunstmaan/symfony-2.3

Symfony 2.3