* Add guile-clutter to the set of configurable packages.
* Removed the "docs" module; its content, the tutorial, is now folded
into the documentation for all of the relevant modules (e.g. GLib,
GTK+, CORBA, etc.)
* Changelogs have all been archived to ChangeLog.pre-2.16, because now
we will just use revision control logs.
* Formally require Guile 1.8, as has been the case for a while now.
* Bump the API_VERSION to 2, as a test before going stable.
* Support a variant of check-coverage that generates a texinfo file with
the missing functions.
* Various buildfixes for building out-of-tree modules such as
guile-gnome-gstreamer.
* Build system work: add common makefile include for unit tests and a
new check-coverage target to documentation builds.
* Added infrastructure to make documentation.