Added Trendiction Bot detection.

Added Trendiction bot detection.

Example user-agent string: "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.0; trendictionbot0.5.0; trendiction search; http://www.trendiction.de/bot; please let us know of any problems; web at trendiction.com) Gecko/20071127 Firefox/3.0.0.11"