Fix link for ad_banner

Add missing helper for web_link_category
Show design's js in front-end

app/helpers/application_helper.rb

@@ -209,7 +209,7 @@ module ApplicationHelper
     javascripts << "<script type='text/javascript' src='/assets/lib/social-share-button.js'></script>\n"
     javascripts << "<script type='text/javascript' src='/assets/event.js'></script>\n"
     page.design.javascripts.each do |js|
-      # javascripts << "<script type='text/javascript' src='#{js.file.url}'></script>"
+      javascripts << "<script type='text/javascript' src='#{js.file.url}'></script>"
     end
     javascripts
   end