Added --with-included-loaders option

Added --with-included-loaders option

2001-01-09  Alexander Larsson  <alla@lysator.liu.se>

	* configure.in:
	Added --with-included-loaders option

	* gdk-pixbuf/Makefile.am:
	* gdk-pixbuf/gdk-pixbuf-io.c:
	Add support for including selected gdk-pixbuf loaders only.

	* gtk/gtkwindow.c (gtk_window_set_frame_dimensions,
	gtk_window_set_has_frame):
	Added inline documentation.

	* gdk/x11/gdkwindow-x11.c (gdk_window_get_decorations):
	* docs/reference/gdk/tmpl/windows.sgml:
	Added inline documentation.