adzap/grouped_validations — pull request #2 by Capncavedan (2012-04-18 20:44:56+00:00)
Title: Eliminate ActiveSupport::Concern deprecation warning

Eliminated ActiveSupport::Concern deprecation warnings related to InstanceMethods module.

Also added check on validation errors to be compatible with Rails 3.2.

Specs pass with Rails 3.0 and 3.2.

See this with the only logic change in the file:
https://github.com/Capncavedan/grouped_validations/commit/5801121bdd5329a41ef986b8307ad6780ade2f67#commitcomment-1228479