symfony/AsseticBundle — pull request #329 by jvasseur (2014-12-24 13:13:06+00:00)
Title: Fix asset dumping with assets added by the DI tag

When you add assets with the assetic.asset DI tag, the dump command fails because there is no formula corresponding to the asset.

This PR make the command work in this case by using an empty formula if the asset doesn't have one.