2005-07-29  Sven Neumann  <sven@gimp.org>

	* app/core/gimpscanconvert.[ch]: added
	gimp_scan_convert_render_value(), a variant of
	gimp_scan_convert_render() that allows to pass the foreground value.

	* app/tools/gimpfreeselecttool.[ch]: added a virtual "select" method.

	* app/tools/Makefile.am
	* app/tools/gimp-tools.c
	* app/tools/gimpforegroundselecttool.[ch]: added a rough first
	version of foreground selection tool based on the SIOX algorithm.
	Work in progress...

	* app/widgets/gimphelp-ids.h: added help-id for the new tool.