Adds localization file

I've added the localization file because i got an error when I've added the spree_fancy to my gemfile and the localization file corrects it.

Error screenshot:

![spree_fancy-localization-error](https://f.cloud.github.com/assets/1752499/2005688/6b9f205a-86f5-11e3-95bc-111e6d0c6d4a.png)