* Most all files: Update copyright notices.

	* Most all files: Update copyright notices.
	* Makefile.am: Add support for making RPMs. Force different
	values for RUNTEST and RUNTESTFLAGS, so we can test ourselves.
	* testsuite/Makefile.am: Force a different value for
	RUNTESTFLAGS.
	* acinclude.m4, configure.in: Find Tclsh, and Docbook.
	* configure: Regenerated.
	* doc/Makefile.am: Use $DOCBOOK to find the filters.
	* doc/overview: Add the html version of the doc so one doesn't
	need docbook to read the manual.
	* example/calc/Makefile.am: New automake support.
	* example/calc/Makefile.in: Generated.
	* example/Makefile.am: Recursion support for make.
	* example/calc/Makefile.in: Generated by automake.
	* example/calc/calc.h.in: Move constants to calc.c, so we can use
	autoheader.
	* example/calc/calc.c: Add constants from calc.h.in.
	* redhat/dejagnu.spec: New RPM packaging file.
	* debian/{changelog,conffiles,control,copyright,postinst,preinst,
	rules,site.exp}: New Debian packaging support.