kentaro/webistrano — pull request #2 by tomykaira (2012-07-08 10:20:37+00:00)
Title: Devise 2.0 no longer supports methods in a migration

This patch replace deprecated migration methods with rails default methods.
See https://github.com/plataformatec/devise/wiki/How-To:-Upgrade-to-Devise-2.0-migration-schema-style