updated dependencies
updated dependencies

Changelogs summary:

 - twig/twig updated from v1.23.3 to v1.24.0
   See changes: https://github.com/twigphp/Twig/compare/v1.23.3...v1.24.0
   Release notes: https://github.com/twigphp/Twig/releases/tag/v1.24.0

 - symfony/polyfill-mbstring updated from v1.0.1 to v1.1.0
   See changes: https://github.com/symfony/polyfill-mbstring/compare/v1.0.1...v1.1.0
   Release notes: https://github.com/symfony/polyfill-mbstring/releases/tag/v1.1.0

 - symfony/polyfill-util updated from v1.0.1 to v1.1.0
   See changes: https://github.com/symfony/polyfill-util/compare/v1.0.1...v1.1.0
   Release notes: https://github.com/symfony/polyfill-util/releases/tag/v1.1.0

 - symfony/polyfill-php56 updated from v1.0.1 to v1.1.0
   See changes: https://github.com/symfony/polyfill-php56/compare/v1.0.1...v1.1.0
   Release notes: https://github.com/symfony/polyfill-php56/releases/tag/v1.1.0

 - symfony/polyfill-php70 updated from v1.0.1 to v1.1.0
   See changes: https://github.com/symfony/polyfill-php70/compare/v1.0.1...v1.1.0
   Release notes: https://github.com/symfony/polyfill-php70/releases/tag/v1.1.0

 - teqneers/ext-direct updated from dev-master to dev-master
   See changes: https://github.com/teqneers/ext-direct/compare/22c09f9...280faf0

teqneers/ext-direct-bundle,teqneers/ext-direct-bundle