Wavelet equalizer inprovemts and fixes

-now works in Lab space (on all three components)
-now works in preview (but only at 100% scale, as sharpening and denoise)
-several small fixes and refactorings

rtengine/simpleprocess.cc

@@ -103,10 +103,6 @@ IImage16* processImage (ProcessingJob* pjob, int& errorCode, ProgressListener* p
         baseImg = trImg;
     }
 
-    if (params.equalizer.enabled) {
-        ipf.waveletEqualizer (baseImg, fw, fh, params.equalizer);
-    }
-    
     // update blurmap
     int** buffer = new int*[fh];
     for (int i=0; i<fh; i++)
@@ -143,6 +139,7 @@ IImage16* processImage (ProcessingJob* pjob, int& errorCode, ProgressListener* p
     if (pl) 
         pl->setProgress (0.5);
 
+
     // luminance histogram update
     memset (hist16, 0, 65536*sizeof(int));
     for (int i=0; i<fh; i++)
@@ -162,6 +159,9 @@ IImage16* processImage (ProcessingJob* pjob, int& errorCode, ProgressListener* p
     ipf.colorCurve (labView, labView);
     ipf.colordenoise (labView, buffer);
 
+    // wavelet equalizer
+    ipf.waveletEqualizer (labView, true, true);
+
     for (int i=0; i<fh; i++)
         delete [] buffer[i];
     delete [] buffer;