2003-07-09  Sven Neumann  <sven@gimp.org>

	* app/composite/tester.c: removed ...
	* app/composite/test-composite.c: ... and readded under a new name.

	* app/composite/Makefile.am: added a check target that builds and
	runs the test program.

	* app/composite/gimp-composite-generic.c
	* app/composite/gimp-composite-mmx.c
	* app/composite/gimp-composite-util.h
	* app/composite/gimp-composite.[ch]
	* app/composite/make-gimp-composite-dispatch.py: made it fit
	better into the GIMP source tree:
	- do not include any files from headers
	- don't use types from <sys/types.h> but use what glib provides
	- coding style ...