* binarization/internal/first_pass_functor.hh,
	* binarization/sauvola_ms.hh,
	* binarization/sauvola_threshold_image.hh: Add debug outputs if
	SCRIBO_SAUVOLA_DEBUG flag is set.

	* binarization/sauvola_ms_split.hh: Remove lambda argument.

	* binarization/sauvola_threshold_image_debug.hh: Add the threshold
	image as debug output.

	* src/binarization/Makefile.am: Add sauvola_ms_debug.
	* src/binarization/sauvola_ms_debug.cc: New.

	* src/binarization/fg_sauvola_ms.cc,
	* src/binarization/pgm_sauvola_ms.cc,
	* src/binarization/ppm_fg_sauvola_ms.cc,
	* src/binarization/ppm_sauvola_ms.cc,
	* src/binarization/ppm_sauvola_ms_split.cc,
	* src/binarization/sauvola_debug.cc,
	* src/binarization/sauvola_ms.cc,
	* src/binarization/sauvola_ms_split.cc: Make compile again.