remove Symfony 2.2 for travis
Fix PHPCR mappings.
Merge pull request #580 from VermontDesignWorks/fix_doctrine_phpcr_mappings

Fix PHPCR mappings.
Updated spanish translations.
Merge pull request #592 from phansys/tranlations_spanish

Updated spanish translations.
Update creating_a_provider_class.rst

To give opportunity for provider generate thumbnails. See this method https://github.com/weaverryan/MediaBundle/blob/master/Provider/BaseProvider.php#L74
Merge pull request #595 from spolischook/patch-2

Update creating_a_provider_class.rst
Update SonataMediaBundle.fr.xliff
Merge pull request #597 from IvanBes/patch-2

Update SonataMediaBundle.fr.xliff