Add a .gitattributes file to retain LF line endings
Add a .gitattributes file to retain LF line endings

- https://help.github.com/articles/dealing-with-line-endings/#per-repository-settings
- http://stackoverflow.com/questions/9976986/force-lf-eol-in-git-repo-and-working-copy

mysociety/asktheeu-theme,mysociety/asktheeu-theme