better clapping
Functional sixense "laser" oculus selection mode.
Merge branch 'master' of https://github.com/worklist/hifi
use compiler default C++ Standard Library on OS X
updates to RtMidi find module to look for static or dynamic lib
Merge branch 'master' of https://github.com/highfidelity/hifi
added dev menu option to disable _audioOutput overflow check
Use glFog for haze (better performance).
Merge remote-tracking branch 'origin/master' into 19734

Conflicts:
	cmake/modules/FindLeapMotion.cmake
	interface/CMakeLists.txt
	interface/src/devices/Leapmotion.h
Made Oculus UI framebuffer resize when window resizes
Change fog start to use default value.
moved qAudioOutput buffer overflow debug option to existing audio menu
Change tests to reflect transmission changes and fixed issue with reprocessing
already-handled reliable delta.
Merge pull request #3135 from wangyix/quick_audio_PR

changed Audio.cpp to not overflow _audioOutput buffer; fixed premature injector stream deletion; disabled silent-frame dropping in non-dyanimic-jitter-buffers mode
added _starveCount, _silentFramesDropped
Merge pull request #3136 from birarda/master

use compiler default C++ standard library on OS X, tweak RtMidi find module
Merge pull request #3137 from PhilipRosedale/master

Better clapping and hand squeezing scripts, started new hair class to hold vertlet hair
Timing fix.
Another improvement to clapping to match animation pace with keystrokes
Use congestion control on server.