bcardarella/client_side_validations — pull request #516 by arr-ee (2013-03-29 00:23:02+00:00)
Title: Fixed fields_for with has_many associations

Fixes #504.
Kudos to @romanbsd for his tips on this at #462.

It's a lot of hoops jumping, maybe it'd be better to somehow (more reliably) map fields to validators on server side. Data attributes or something.