Adjusted formtastic integration to work with 2.0.
Adjusted formtastic integration to work with 2.0.

Custom inputs in formtastic 2.0 work quite differently.
This quick solution might break use cases without
formtastic. Need to investigate further.

hoppinger/localized_language_select,hoppinger/localized_language_select,kristianmandrup/localized_language_select,jwaterfaucett/localized_language_select,frab/localized_language_select