print_tos_stat: Statistics computation about the CToS.
psnr: PSNR computation.
reconstruct_from_tree: Image reconstruction.

	*  apps/CMakeLists.txt,
	*  apps/misc/CMakeLists.txt,
	*  apps/misc/print_tos_stat.cpp,
	*  apps/misc/psnr.cpp,
	*  apps/misc/reconstruct_from_tree.cpp: New.