* clutter/Makefile.am:
	* clutter/clutter.h:
	* clutter/clutter-version.h.in: Auto-generated versioning macros.

	* clutter/clutter-actor.h:
	* clutter/clutter-actor.c: Add a ClutterActor::parent-set signal,
	for notificating changes of an actor's parent; add api-doc for
	the actor's properties; add the ClutterActor "name" property; clean
	up a bit some functions; emit the "parent-set" signal when setting
	te parent and when unparenting; better warnings when lowering
	and raising an actor.

	* configure.ac:
	* clutter/Makefile.am: Add a --enable-debug configure option,
	with three levels of debugging: no, minimum and yes; default
	for development releases (odd minor version) is "yes"; update
	the version m4 defines; update the libtool macros: now just
	changed the clutter_interface_age when releasing will update
	everything else.