* Makefile.tpl: Make 'recursive targets' using autogen rather

	* Makefile.tpl: Make 'recursive targets' using autogen rather
	than shell loop.  Remove duplicate 'clean' targets and false
	comments.
	* Makefile.def: Add systematic dependencies to 'recursive' targets.
	Add systematic method of specifying missing targets in subdirs.
	Add copyright boilerplate.
	* Makefile.in: Regenerate.
	* configure.in: Add 'recursive targets' to maybe list.
	* configure: Regenerate.