Spree::BannerBox.enabled accepts multiple categories
Attachment style names fix
Translate config menu label
Search filter for admin banner index
Fix new banner button in edit page
Rename presentation to alt_text; helper refactor
DRYed up banner forms
SpreeBanner configuration should stay in a separate class
README up
README style fix
Merge pull request #8 from cantierecreativo/2-0-stable

Minor updates