* mln/core/image/image.hpp, mln/core/image_base.hpp:
	Fix missing header and recursive inclusion.

	* mln/core/image/morphers/morpher_base.hpp,
	* mln/core/image/morphers/transformed_image.hpp,
	* mln/core/image/image_expr.hpp,
	* mln/core/image/image_ops.hpp:
	Implement a transformed image morpher and reimplement operation
	based on it.

	* mln/core/image/morphers/filtered_image.hpp: Move pixel dispatch helper...
	* mln/core/pixel_utility.hpp: ...here

	* mln/core/image/ndimage.hpp
	* mln/core/image/ndimage_iter.hpp
	* mln/core/image/ndimage_pixel.hpp
	* mln/core/image/ndimage_pixel_iterator.hpp
	* mln/core/image/zip_image_value_iterator.hpp
	* mln/core/image_traits.hpp
	* mln/core/iterator/unzip_proxy_iterator.hpp
	* mln/core/range/filter.hpp: Small fixes.gti gui

	* mln/core/range/transform.hpp: Add interop constructor.

	* tests/core/CMakeLists.txt, tests/core/image/morphers/transformed_image.cpp: Test files