Reworked the redirects to work with the new Request model. Also made use of the collection of Role Views in the Role View in combination with the role property in the Request model, to facilitate the redirects.

# 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: /