Improved Invensense stability by adding average of first few samples to better eliminate DC bias/drift
Simplified serial port init to not use baud.
Fixed uninitialized audio loudness value
link PortAudio as a static library instead of compiling as dependency
Merge pull request #301 from PhilipRosedale/master

Improved stability of invensense for drift
Merge pull request #305 from birarda/master

link PortAudio as static lib instead of compiling as dependency
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/main.cpp