Adds the removal of requests from the datastore when a new role entity is created. This uses the classname from the role entity as the type of role in the request. Patch by: Lennard de Rijk

# 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: /