Set agrees_to_tos example text to link to site-wide ToS (or a warning message).
Also, since a renaming import statement is being used already, change
user_logic.logic to just user_logic.
Patch by: Todd Larsen
Review by: to-be-reviewed
# 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: /