Don't depend on deprecated code from Symfony & Twig
Adjust .travis.yml files across the bundles
Update license files
Merge pull request #827 from stloyd/bugfix/travis

Adjust .travis.yml files across the bundles
Merge pull request #710 from stloyd/bugfix/symfony_deprecated_code

Don't depend on deprecated code from Symfony
Allowing translations to be uploaded to Crowdin