Upped railties dependency from 3.1 to 3.2
Upped railties dependency from 3.1 to 3.2

Related to using font_path instead of asset_path as described in #27.

bokmann/font-awesome-rails,estebaninformatica/font-awesome-rails,rubixware/font-awesome-rails,Craigimus1990/font-awesome-rails-base64,welltok/font-awesome-rails,Craigimus1990/font-awesome-rails-base64,welltok/font-awesome-rails,bokmann/font-awesome-rails,wwidea/font-awesome-rails,bokmann/font-awesome-rails,estebaninformatica/font-awesome-rails,klenis/font-awesome-rails,rubixware/font-awesome-rails,klenis/font-awesome-rails,wwidea/font-awesome-rails,Andrew-Rice/essential-icons-rails