Make use of decorators.view for all views
This gives us a 'view' hook where we can do things that need to be
done for all views (such as catching certain exceptions, or checking
for maintenance mode).
Patch by: Sverre Rabbelier
# Directions for web crawlers.
# See http://www.robotstxt.org/wc/norobots.html.
User-agent: HTTrack
User-agent: puf
User-agent: MSIECrawler
User-agent: Nutch
Disallow: /