Initial reverb implementation

Conflicts:
	interface/CMakeLists.txt
	interface/src/Audio.cpp
	interface/src/Audio.h
	libraries/script-engine/src/ScriptEngine.cpp
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
remove deprecated _engine member from ScriptEngine
Fix cmake
removed old processReceivedAudio method
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb

Conflicts:
	interface/CMakeLists.txt
Added reverb settings to DS settings
grab reverb settings on mixer side
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
Stream reverb settings from mixer to interface
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb
Coding Standard default values
handle JSON for audioEffectOptions args
Updated script
Do not destroy script reverb settings
Reverb logic tweaks
Merge branch 'master' of https://github.com/highfidelity/hifi into reverb