Add title attribute with the locale's name

Author: humancopy

lib/active_admin/view_helpers/flag_helper.rb

@@ -6,7 +6,7 @@ module FlagHelper
 
       # Return an image tag with background of given locale
       def flag_icon(locale)
-        content_tag :i, '', class: "flag flag-#{locale}"
+        content_tag :i, '', class: "flag flag-#{locale}", title: I18n.t("active_admin.globalize.language.#{locale}")
       end
 
     end