Log Message:
Update to 0.2.3

Upstream changes:

This is a maintenance release, source code is unchanged compare to the previous
release.  This release introduces a guile-lib-1.0.pc, so libs and apps that needs
guile-lib may now use pkgconfig to check if it's available, what version.

Note that starting with this release, the installation location for modules and
compiled files has changed: make sure you uninstall any previous version.

- Modules installation location changed:

	from $(prefix)/share/guile/site
	to $(GUILE_GLOBAL_SITE)

  You will need write privileges to this directory to install guile-lib. You may
  check its location using the folowing command:

	guile -c "(display (%global-site-dir)) (newline)"

- Compiled files installation location changed:

	from $(prefix)/share/guile/site
	to $(GUILE_SITE_CCACHE)

  You will need write privileges to this directory to install guile-lib. You may
  check its location using the folowing command:

	guile -c "(display (%site-ccache-dir)) (newline)"