Basic random eye movements added, and fixation on camera in mirror mode.
Other people's avatar's look where they are mousing
we are always looking at something
fixing reversed lookat, rendering for all avatars
Head camera scaling always one if gyros off so that mouse look works.
Merge branch 'master' of https://github.com/worklist/hifi
Merge pull request #536 from ey6es/master

Use a bound texture for iris, added per-pixel specular highlight on it.
Merge branch 'master' of https://github.com/worklist/hifi
fixes per review
Merge pull request #535 from PhilipRosedale/master

Everyone is now looking where they are mousing!  (myeyesareuphere.com)
Merge pull request #537 from ey6es/master

Ryan's new iris texture.
Better iris texture.