Add support for new artifacts features
It is proof of concept implementation that misses following:
-
Saving metadata to file, and passing that file to rails, -
Making it look nice, -
Have refactor-upstream
merged: !20 (merged) -
Add tests for metadata and single file downloads, -
Spawning separate process to verify zip archive ONHOLD: #17 (closed), -
Spawning separate process to download file from zip archive ONHOLD: #17 (closed)