* src/disamb/Makefile.am, src/disamb/bs-disamb.str: deleted
	* src/disamb: deleted directory
	* src/Makefile.am: SUBDIRS correction

	* src/syn/Makefile.am, src/syn/BoxedSdf2.sdf: use renamings for cleaner
	grammar merging
	* src/syn/unrename.sh: new file, used because of implode-asfix problem
	with sdf-to-sig tool

	* src/pack-boxedsdf/pack-boxedsdf.str, src/boxed2pp-table.str:
	changes because of changes in the grammar

	* src/pack-boxed2pp-table.str, src/pack-boxed2sdf: filters have changed

	* lib/sdf-2.3: deleted
	* lib/sdf-2.1: new directory
	* lib/sdf-2.1/Makefile.am: new file
	* lib/Makefile.am: SUBDIRS correction
	* lib/sdf-cons/Makfile.am: do not need sdf-cons for build any more,
	just for inclusion

	* configure.ac: new and deleted directories

	* test/defs.in: tools using has changed