Adding 'authors' section to README.
Adding 'authors' section to README.

flavorjones/loofah-activerecord,flavorjones/loofah,phaza/loofah,phaza/loofah,Joas1988/loofah-activerecord,11factory/loofah,flavorjones/loofah,Joas1988/loofah-activerecord,flavorjones/loofah,flavorjones/loofah-activerecord,jstorimer/loofah,Joas1988/loofah-activerecord,jstorimer/loofah,Joas1988/loofah-activerecord