contest form: ability to add participant using javascript
images: add a "delete" icon, icon designed by Yusuke Kamiyamane

found at http://www.iconfinder.com/icondetails/14125/16/cancel_cross_delete_remove_x_icon
licensed under the Creative Commons
contest form: allow removal/deletion of participants
dashboard: show win totals in roster list
pairings: begin to implement Pairings generator
pairings: generate for multiple rounds at once