Testing audio noise generation at client
Merge remote-tracking branch 'upstream/master'
Added Procedural audio noise when moving, scaled to velocity
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Converted gyro values to floats and converted to exact degrees/second per docs.
added contains() and remove() methods
added VoxelNode::inFrustum() which returns OUTSIDE, INTERSECT, INSIDE to allow more optimal frustum analysis
Optimized removeOutOfView()
- don't recurse down trees that are fully INSIDE of the view frustum, because those nodes
  are guaranteed to also be INSIDE
- changes to extraData of the recurse operation to make this possible
- adding debug stats to track how many nodes are inside, outside, intersect
- change call to removeOutOfView() to not call if last elapsed time has not
  yet passed since last call (similar to treeToArrays() logic)
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
CR cleanup
CR cleanup
Invensense gyros now correctly controlling head motion, code cleanups.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
Merge pull request #237 from ey6es/master

Added basic environment data and atmosphere rendering.
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
Merge pull request #249 from ey6es/master

Fix for build error on OS X.
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization