always use the cache prefix, simplified code
always use the cache prefix, simplified code

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