http://github.com/mariocesar/sorl-thumbnail/tarball/588837f828a5d9dd999bd6b994331e6285f79ca9#egg=sorl-thumbnail-12.00
http://github.com/django-compressor/django-compressor/tarball/cdab0d9698cb3c9421f3598822ddc71a57970405#egg=django-compressor-1.4a1
