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
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
added basic particle server renamed voxel packet names to fit standard