remove PortAudio entirely
basic ParticleTree and ParticleTreeElement classes
replace missing PortAudio with Qt audio
added some scripts, latest particle server work
Merge branch 'master' of https://github.com/worklist/hifi into more_on_particle_server

Conflicts:
	libraries/particle-server/CMakeLists.txt
	libraries/particle-server/src/ParticleServer.h
	libraries/particles/src/ParticleTree.cpp
re-enable rendering and fix sampling algorithim
Merge remote-tracking branch 'upstream/master' into qt-for-portaudio
handle conflicts on merge with upstream master
repairs to Audio class after merge with upstream master
fix red/green display in audio debug rendering
use invokeMethod for Audio reset
first cut at getting voxel server based on octree server
removing dead code
Merge pull request #1310 from PhilipRosedale/master

Improved drumming, (maybe) lower latency hands
removed all dead VoxelServer code, now mostly handled by OctreeServer
clean up server name
actually added the octree-server base class library
removed scripts
tweak
added CMakeLists.txt