Merge pull request #283 from ZappoMan/render_voxels_optimization

Optimized VoxelNode::isLeaf()
link the OVR library seperately from the QT_LIBRARIES
Merge pull request #284 from birarda/master

attempted fix for UNIX link order of LibOVR library
link to LIBOVR_LIBRARY before calling add_executable
Merge pull request #285 from birarda/master

another attempt to fix link issues
Revert "link to LIBOVR_LIBRARY before calling add_executable"

This reverts commit b2776f25ac3f655d3ca4c58221a57e94a8d7e2d9.
Merge pull request #286 from birarda/master

revert the last change
assume that oculus will only be from APPLE machines
Merge pull request #287 from birarda/master

conditionals in OculusManager for APPLE
condtional calls to constructors in OculusManager on APPLE only
Merge pull request #288 from birarda/master

more conditional changes for oculus
have OculusManager::isConnected always return false if not APPLE
Merge pull request #289 from birarda/master

last bit of conditional changes for Oculus
have eve only inject audio when another avatar gets close to her
lower Eve's volume to about 75%
some space removals in Interface main.cpp
remove old style walking sounds
type squish in eve main
more type squishes in eve main
remove an extra g