tests use symfony 2.8 by default, re-organized and added symfony versions
tests use symfony 2.8 by default, re-organized and added symfony versions

prolixtechnikos/LiipImagineBundle,liip/LiipImagineBundle,liip/LiipImagineBundle,prolixtechnikos/LiipImagineBundle,prolixtechnikos/LiipImagineBundle