add generators for Worlds in Peril (supers)

[stevesea]

here's CC version of rules: https://plus.google.com/communities/118321549054630517542/stream/f8ff0872-2af2-4817-9407-575b699c25aa

get feedback on what generators make sense

on G+ thread, Jacob Ross offered content from http://www.drivethrurpg.com/product/150904/Thrilling-Powers, double-check w/ him for confirmation