Correctly generates rails 4 manifest
Correctly generates rails 4 manifest

Heroku expects a hash in the filename

dollarshaveclub/broccoli-asset-rev,joliss/broccoli-asset-rev,rickharrison/broccoli-asset-rev,elucid/broccoli-asset-rev,stefanpenner/broccoli-asset-rev,nadnoslen/broccoli-asset-rev,kevinlondon/broccoli-asset-rev