Playing around with using the gyro acceleration to drive the eye offset.
Added "Gyro Eye Offset" menu option to drive the eye offset from the gyros.
Not going down that path.
Merge branch 'master' of https://github.com/worklist/hifi
Fix for segmentation fault when the settings file doesn't exist.
Merge pull request #472 from ey6es/master

Fix for segmentation fault in readSettingsFile.
Include <unistd.h> to address a build error experienced by Clement.
Merge pull request #473 from ey6es/master

Fix for compile error that Clement encountered.
Merge branch 'master' of https://github.com/worklist/hifi
Merge pull request #474 from PhilipRosedale/master

Smooth gravity fields when flying
Refactor/Cleanup serial interface to use vectors, correct rotation axes.  Added translation estimation for the head.
Merge branch 'master' of https://github.com/worklist/hifi