Merge pull request #1 from Bonias/fix-deprecated-code

relation.all is deprecated in rails 4

Author: mlitwiniuk

lib/lit/i18n_backend.rb

@@ -18,7 +18,7 @@ def translate(locale, key, options = {})
     end
 
     def available_locales
-      Lit::Locale.ordered.visible.all.map{|l| l.locale.to_sym }
+      Lit::Locale.ordered.visible.map{|l| l.locale.to_sym }
     end
 
     # Stores the given translations.