Added spectrum output to systemAuditory/fft
Merge branch 'master' of https://github.com/robotology/wysiwyd

Conflicts:
	main/src/modules/systemAuditory/fft/src/fft.cpp
Merge audioprocessing

Conflicts:
	main/src/modules/systemAuditory/audioPreprocessing/include/audioPreprocessing.h
	main/src/modules/systemAuditory/audioPreprocessing/src/audioPreprocessing.cpp
minor changes in audioprocessing module