Changes applied to the gregorio-5.0.1 tree as obtained from:
	https://github.com/gregorio-project/gregorio/releases/download/v5.0.1

Remove:
	Makefile.in
	aclocal.m4
	build-aux/
	configure
	contrib/Makefile.in
	contrib/TeXShop/Makefile.in
	doc/Makefile.in
	examples/Makefile.in
	fonts/
	src/Makefile.in
	src/config_.h.in
	tex/