use secure redirects for all downloads
Moving download redirects to the datastore project
Tests for authenticated downloads
celery support and tests for secure uploads
Ignore more stuff in runtests.sh
update requirements
Pass through uploads work, validated by tests
Fix settings names
download_url is an automatically generated property.  Users post to public_url instead
simplified build view
set comprehensions are fun
Merge pull request #1 from mindsnacks/feature/secure-downloads

Secure uploads and downloads