fixed travis.yml for 2.1
fixed travis.yml for 2.1

rmzamora/SonataMediaBundle,nicolasricci/SonataMediaBundle,vyshkant/SonataMediaBundle,peterkokot/SonataMediaBundle,OskarStark/SonataMediaBundle,nicolasricci/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,bgaleotti/SonataMediaBundle,vyshkant/SonataMediaBundle,nicolasricci/SonataMediaBundle,OskarStark/SonataMediaBundle,peterkokot/SonataMediaBundle,hug963/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,jerome-fix/SonataMediaBundle,bgaleotti/SonataMediaBundle,hug963/SonataMediaBundle,vyshkant/SonataMediaBundle,nicolasricci/SonataMediaBundle,rmzamora/SonataMediaBundle,hug963/SonataMediaBundle,OskarStark/SonataMediaBundle,vyshkant/SonataMediaBundle,OskarStark/SonataMediaBundle,nicolasricci/SonataMediaBundle,bgaleotti/SonataMediaBundle,jerome-fix/SonataMediaBundle,rmzamora/SonataMediaBundle,bgaleotti/SonataMediaBundle,jerome-fix/SonataMediaBundle,hug963/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,hug963/SonataMediaBundle,jerome-fix/SonataMediaBundle,peterkokot/SonataMediaBundle,vyshkant/SonataMediaBundle,sonata-project/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,Soullivaneuh/SonataMediaBundle