Revert "Fix the #include headers in the whitening files"

This reverts commit e0d82e3.

Author: Flávio Kon

src/Whitening.cxx

@@ -3,8 +3,9 @@
 //  Copyright 2011 The Echo Nest Corporation. All rights reserved.
 //
 
-#include "Common.h"
+
 #include "Whitening.h"
+#include "AudioStreamInput.h"
 
 Whitening::Whitening(AudioStreamInput* pAudio) {
     _pSamples = pAudio->getSamples();

src/Whitening.h

@@ -6,7 +6,9 @@
 
 #ifndef WHITENING_H
 #define WHITENING_H
-#include "AudioStreamInput.h"
+#include "Common.h"
+#include "Params.h"
+#include "MatrixUtility.h"
 
 
 class AudioStreamInput;