Add zh_tw locale file

app/controllers/admin/snippets_controller.rb

@@ -26,7 +26,7 @@ class Admin::SnippetsController < ApplicationController
       end
       
       VALID_LOCALES.each do |locale|
-        @snippet.write_attribute( "content_#{locale}", "<ul>\n#{lis}</ul>" )
+        @snippet.send( :write_attribute, "content_#{locale}", "<ul>\n#{lis}</ul>" )
       end
       
     end