rumblelabs/asset_sync — pull request #132 by the-architect (2012-12-12 17:56:53+00:00)
Title: Make asset_sync's upload compatible with non-rails projects

Mime::Type is Rails specific which stands in the way of enabling gzip compression in middleman-sync

This fixes the problem.
There will also be a patch for middelman sync to switch on the gzip-compression option