mrdoob/three.js — pull request #2551 by motin (2012-10-23 17:40:52+00:00)
Title: Working lookat() also when useQuaternion = true

Background: I used camera.lookat(scene.position), which worked fine with FirstPersonControls. Changed to FlyControls, and it stopped working. Reason being that useQuaternion = true and lookat did not update the quaternion.