Adds Turkopticon ratings. Changes the title row of a HIT's description to match the average of it's Turkopticon ratings. Changes the color of the reward amount to match the color of the Turkopticon rating for pay. Adds colored checkboxes to show/hide colored highlighting. Changes the background color of the HIT title and link to white for Master's HITs. Changes the color of visited links to black. Changes requester's name into a link that searches for HITs by that requester.