Added initial commit of audio input
Added openal_error_category for better openal error messages
Added OpenAL linking to tests
Removed OpenAL dependency and added RtAudio dependency
Added RtAudio based sound processing
Removed unneccecary stopStream(). RAII takes care of it
Added in starts of code to use make install robot=ip
Merge branch 'feature/AudioInput' into develop

Conflicts:
	CMakeLists.txt
	main.cpp