fix(image renditions) - image renditions were not generated correctly
fix(audio, video) -audio and video renditions had empty files
Merge pull request #192 from amagdas/fix-rendition

fix(image renditions) - image renditions were not generated correctly
feat(views) - update content view API.
fix(celery): avoid celery deprecation warning
feat(view) - address review comments
Merge remote-tracking branch 'adrian/update-content-view'