Bug fix: QiniuMediaStorage and QiniuStaticStorage should not use MEDIA_ROOT or STATIC_ROOT as its location.
Bug fix: QiniuMediaStorage and QiniuStaticStorage should not use MEDIA_ROOT or STATIC_ROOT as its location.

In production environment, XXX_ROOT usually contail absolute file path.

jeffrey4l/django-qiniu-storage,jackeyGao/django-qiniu-storage,glasslion/django-qiniu-storage