Move field_changed? to outside of Dirty module. +2 tests passing for Rails 3
Move field_changed? to outside of Dirty module. +2 tests passing for Rails 3

coupa/delocalize,prime/delocalize,johnny-lai/delocalize,Flameeyes/delocalize,gabriprat/delocalize,jweslley/delocalize-rails4,clemens/delocalize,tomkurt/Delocalize-rails4