In what might be the most magnanimous music feud of all time, Simon Cowell (of American Idol fame) and Quincy Jones (producer of Thriller and sidestory on Arrested Development) are both planning all-star charity singles to benefit Haiti. Jones will reteam with Lionel Richie to record "We Are the World" and Cowell will bring musicians together to cover R.E.M.’s (super-sappy) "Everybody Hurts" …