Attempt to use Faceshift eye data to deflect the default eye behavior.
More tweaks to eye offsets.
I don't think Faceshift's gaze data is actually head-relative.
Merge branch 'master' of https://github.com/worklist/hifi into 321contact

Conflicts:
	interface/src/Application.cpp
The Faceshift eye rotations are indeed relative to the head.
More smoothing.
Remove unused parameters.
Merge pull request #1174 from ey6es/321contact

Use Faceshift gaze data to deflect the existing mouse lookat behavior.