Add 'rails/' from commit '04412e8e24e03c006e5caee4561da5ccbd02cf90'

git-subtree-dir: rails
git-subtree-mainline: 04412e8e24e03c006e5caee4561da5ccbd02cf90
git-subtree-split: 04412e8e24e03c006e5caee4561da5ccbd02cf90
added localization