cvs/glibc-2_4

	* README.template: Update for 2.4.
	* README: Regenerated.
	* manual/install.texi (Configuring and compiling): Separate build
	directory is mandatory.  Use glibc-2.4 in example.
	Update --enable-add-ons description.
	(Supported Configurations): Remove section.
	* INSTALL: Regenerated.