2000-12-28  Michael Natterer  <mitch@gimp.org>

	* app/channel.[ch]
	* app/drawable.h
	* app/gimpdrawable.[ch]
	* app/gimpdrawableP.h
	* app/gimpimage.[ch]
	* app/gimpimageP.h
	* app/layer.[ch]
	* app/layer_pvt.h: started a major cleanup of all image/drawable
	files. Added tons of "const GimpImage *" declarations and properly
	formated the headers.

	* app/bezier_select.c
	* app/channels_dialog.c
	* app/crop.c
	* app/fileops.[ch]
	* app/fuzzy_select.c
	* app/gdisplay.c
	* app/layers_dialog.c
	* app/move.c
	* app/paint_funcs.[ch]
	* app/qmask.c
	* app/undo.c: changed accordingly plus the usual portion of coding
	style paranoia. This is not finished but Sven promised to buy me
	a beer if I commit now ;)