2005-07-10  Sven Neumann  <sven@gimp.org>

	* app/base/segmentator.[ch]: ported to GIMP data structures. There
	are still some TODOs, smooth_mask() isn't implemented yet.

	* app/core/Makefile.am
	* app/core/gimpdrawable-foreground-extract.[ch]: thin wrapper around
	the new segmentation algorithm.

	* tools/pdbgen/pdb/drawable.pdb: added a first draft of a PDB API
	for foreground extraction.

	* app/pdb/drawable_cmds.c
	* app/pdb/internal_procs.c
	* libgimp/gimpdrawable_pdb.[ch]: regenerated.