Add missing copyright header.

	* bootstrap.sh, cleanup.sh, config/oln.m4, config/oln-local.m4,
	* config/strip-lrde, configure.ac, Makefile.am: Add copyright
	header.
	* demo/Makefile.am, demo/convol-gaussian.cc, demo/image.cc,
	* demo/morpholena-base.cc, demo/morpholena-grad.cc,
	* demo/morpholena-hats.cc, demo/morpholena-hit-miss.cc,
	* demo/morpholena-minima.cc, demo/morpholena-ops.cc,
	* demo/morpholena-wshed-beucher.cc, demo/morpholena-wshed.cc,
	* demo/morpholena.cc, demo/tour.cc: Likewise.
	* ref/doxygen.config.in, ref/exdoc.mk.in, ref/gen_filelists.sh
	* ref/integre-ref.tex: Likewise.
	* ref/exdoc.pl, ref/img_conv.pl: Update the address of the FSF in
	the copyright header.
	* ref/oln-ref.tex: Fix copyright header.

    prcs2git-id: 10.273