Merge
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Use InvenSense code to handle the rather complicated business of talking the
sensor into giving us the compass reading.  We're getting it now, but I still
have to figure out how to incorporate it.
Tune and smooth 'Touch Look' and always turned on, old mouseLook code removed.  Add vec3 speed test.  Smooth simulation by passing exact deltaTime to update()
Merge branch 'master' of https://github.com/worklist/hifi
Basic compass fusion.
Merge branch 'master' of https://github.com/worklist/hifi into kinected
No clock_gettime on OS X; must use gettimeofday.
Removed unused variables, added motion driver library for OS X.
Ryan likes the eyelids starting at forty degrees.
Flush the queue so that we don't get any funny data on the initial read.
Merge branch 'master' of https://github.com/worklist/hifi into kinected
Merge pull request #636 from PhilipRosedale/master

Touchlook tuned and always on!
Merge branch 'master' of https://github.com/worklist/hifi into kinected
Merge pull request #639 from ey6es/kinected

Linux support and compass fusion for gyros.  With special bonus upper eyelid lowering a la Ryan.
Merge branch 'master' of https://github.com/worklist/hifi into occlusion_culling