* src/cxx-to-det/cxx-to-det.str, src/det-to-cxx/det-to-cxx.str:
	Rename as...
	* src/cxx-to-dxx/cxx-to-dxx.str, src/dxx-to-cxx/dxx-to-cxx.str:
	...these.

	* configure.ac, src/Makefile.am, src/deterministic/Dxx.sdf,
	* src/deterministic/Makefile.am, src/signature/Makefile.am,
	* src/dxx-to-cxx/Makefile.am, src/dxx-to-cxx/dxx-to-cxx.str,
	* src/cxx-to-dxx/Makefile.am, src/cxx-to-dxx/cxx-to-dxx.str,
	* src/pp/pp-cxx.str:
	Rename cxx-det to dxx everywhere.