spacing
Merge pull request #539 from ey6es/master

Better iris texture, fixed iris rotations.
It seems gl_ModelViewMatrixInverse is problematic on OS X; let's try passing
in the camera's position as transformed into model space.
Merge pull request #541 from ey6es/master

Fix for irises on OS X: compute and pass in the model space eye position as a uniform.
Merge pull request #540 from ZappoMan/encode_params

Change encodeTreeBitstream() to use params class
Merge branch 'master' of https://github.com/worklist/hifi into occlusion_culling
echo cancellation: ui, calibration, visualization
Merge branch 'master' of git://github.com/worklist/hifi into 19371
Working on reintegrating OpenCV (also, removed lodepng).
Missed these guys.
More required libraries for OS X.
Find Zlib the right way.
Missed QuartzCore.
Basic frame grab from camera; not currently working yet, but let's try on
OS X!
Must init webcam after OpenGL.
Read the webcam frames in a separate thread, since the call blocks.
Allow four channel images, create a copy.
Added adjustable audio jitter buffer (in preferences), and simple lowPassFilter (for pert testing compared to LPF)
perform the two-pole effect across 256 samples, not one per call
add timing for two pole effect