renamed webRoot to rootPath (related to #7)
renamed webRoot to rootPath (related to #7)

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